InputPart

{
  "contentTypeFromMessage": true,
  "headers": {
    "property1": [
      "string"
    ],
    "property2": [
      "string"
    ]
  },
  "mediaType": {
    "type": "string",
    "subtype": "string",
    "parameters": {
      "property1": "string",
      "property2": "string"
    },
    "wildcardType": true,
    "wildcardSubtype": true
  },
  "bodyAsString": "string"
}