{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154423",
    "entityType": "User",
    "nonce": "0xf5c1ab3078dc2694212e904a4f08538bb04665f51d049951accc1275f742f380",
    "signature": "0x84ea844209b1afc7f0f6f46a89a537ab073affa6b8a4518dc6de9c10421fe10e3883ed92ebea7e95185f6eb5126fa5fdf879ccb42dc3a8b91aaf9f6fabc0cafa1c",
    "signer": "0xf765901fa8CEf102E6aB615eB224ff151Daeef98",
    "userId": "582942186"
  }
}