json_schema: {
      "title": "Invocation manifest for ROI to NIfTI",
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "config": {
              "type": "object",
              "properties": {
                  "save_binary_masks": {
                      "default": true,
                      "type": "boolean"
                  },
                  "save_combined_output": {
                      "default": false,
                      "type": "boolean"
                  },
                  "combined_output_size": {
                      "default": "int32",
                      "enum": [
                          "int8",
                          "int16",
                          "int32",
                          "int64"
                      ],
                      "type": "string"
                  },
                  "save_slicer_color_table": {
                      "default": false,
                      "type": "boolean"
                  }
              },
              "required": [
                  "save_binary_masks",
                  "save_combined_output",
                  "combined_output_size",
                  "save_slicer_color_table"
              ]
          },
          "inputs": {
              "type": "object",
              "properties": {
                  "api-key": {
                      "type": "object"
                  },
                  "Input_File": {
                      "type": "object",
                      "properties": {
                          "type": {
                              "enum": [
                                  "nifti"
                              ]
                          }
                      }
                  }
              },
              "required": [
                  "api-key",
                  "Input_File"
              ]
          }
      },
      "required": [
          "config",
          "inputs"
      ]
  }