json_schema: {
      "definitions": {
          "body": {
              "properties": {
                  "html": {
                      "description": "The HTML body of your email. Used by marketing people.",
                      "example": "Check this out <br> <img src=\"http://i.ytimg.com/vi/J---aiyznGQ/hqdefault.jpg\" alt=\"Logo\" title=\"Logo\" style=\"display:block\" width=\"200\" height=\"87\" />",
                      "type": "string"
                  },
                  "text": {
                      "description": "The text body of your email. Used for non-html email clients.",
                      "example": "How you doing?",
                      "type": "string"
                  }
              },
              "required": [
                  "text"
              ],
              "type": "object"
          },
          "from": {
              "properties": {
                  "address": {
                      "_format": "email",
                      "description": "The address you're trying to send an email from",
                      "example": "cat@example.com",
                      "type": "string"
                  },
                  "name": {
                      "description": "The name of the entity you're trying to send an email from",
                      "example": "Keyboard Cat",
                      "type": "string"
                  }
              },
              "type": "object"
          },
          "subject": {
              "description": "The email's subject",
              "example": "Oh hai there",
              "type": "string"
          },
          "to": {
              "properties": {
                  "address": {
                      "_format": "email",
                      "description": "The address you're trying to send an email to",
                      "example": "dog@example.com",
                      "type": "string"
                  },
                  "name": {
                      "description": "The name of the entity you're trying to send an email to",
                      "example": "Mr Dog",
                      "type": "string"
                  }
              },
              "required": [
                  "address"
              ],
              "type": "object"
          }
      },
      "description": "An Electronic Mail Message",
      "links": [
          {
              "description": "Create a new Email",
              "href": "/emails",
              "method": "POST",
              "rel": "self",
              "schema": {
                  "rel": "self"
              },
              "targetSchema": {
                  "rel": "self"
              },
              "title": "Create email"
          }
      ],
      "properties": {
          "body": {
              "$ref": "#/definitions/body"
          },
          "from": {
              "$ref": "#/definitions/from"
          },
          "subject": {
              "$ref": "#/definitions/subject"
          },
          "to": {
              "$ref": "#/definitions/to"
          }
      },
      "required": [
          "subject",
          "body",
          "to"
      ],
      "title": "Email",
      "type": "object"
  }