{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xab9f0ddc1f604f59f0ee9c95fd9a44e449d429fe18f0cb9e6c2aa5e97e81e376",
    "signature": "0x985dab5d5b9b8930aef1f824b171c5bfb2428e61000a5f29a999bd532183b9740d0f1dd7adf5b29babbfd22ab90ae3fac1bc9cf2cb01c15d66baf9868b0bec991b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}