{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735193414",
    "entityType": "User",
    "nonce": "0x93cb8adb9dcce370d35837789c3c88c0adab01f53f4bdeea84d24da089c6e8e0",
    "signature": "0xe520133b2d44aa692924d2b63437db35584e7073f6c6fd66e130c6c80c7d7ea24dbb0cf46c4dfc7d621075e9652887775486c3ffd64a44cc1d5a3cbdec04a4601b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}