Talk Analytics API, gRPC: TalkService.UploadText

{
  "metadata": {
    "connectionId": "string",
    "fields": "string",
    "users": [
      {
        "id": "string",
        "role": "UserRole",
        "fields": "string"
      }
    ]
  },
  "textContent": {
    "messages": [
      {
        "userId": "string",
        "timestamp": "google.protobuf.Timestamp",
        // Includes only one of the fields `text`
        "text": {
          "text": "string"
        }
        // end of the list of possible fields
      }
    ]
  }
}

{
  "talkId": "string"
}