json_schema: {
      "description": "Table containing user authentication data",
      "properties": {
          "date_created": {
              "description": "Timestamp of the user account creation time",
              "type": "string"
          },
          "hash": {
              "descirption": "Hash of the user password",
              "type": "string"
          },
          "models": {
              "description": "An array with reference to models owned by the user",
              "items": {
                  "type": "string"
              },
              "type": "array"
          },
          "role": {
              "description": "User role of the user",
              "type": "string"
          },
          "username": {
              "description": "Username of the user",
              "type": "string"
          }
      },
      "required": [
          "username",
          "role",
          "date_created",
          "hash"
      ],
      "title": "Users Authentication",
      "type": "object"
  }