{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd0afb95c4cb7a5892ec6c153961d683b849617eb22142fca4880398fbe3a0da9",
    "signature": "0xf07007032d8e9fc2f1fedf9cbc3bc6852c7ca27441e6043d857367b02d83d6782c67f8ec2054106b5b2a69b6d9a982c86c874c7eb67a71df6e8fef6bc17bcd681c",
    "signer": "0x2B85AbeDda147C39bE8B533ff71A11b9086Fed0B",
    "userId": "794945621"
  }
}