message: Editing role description
diff: "type": "integer"
  },
  "role": {
  - "description": "The role.",
  + "description": "The role of the entity within the utterance.",
  "type": "string"
  }
  }
  "type": "string"
  },
  "role": {
  - "description": "The role.",
  + "description": "The role of the entity within the utterance.",
  "type": "string"
  }
  }
  "type": "integer"
  },
  "role": {
  - "description": "The role.",
  + "description": "The role of the entity within the utterance.",
  "type": "string"
  },
  "roleId": {
  