{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ff27d17699ab2c90ba4e3696780a56b634e6a117fbdb2227d6801fe34f3a641",
    "signature": "0x86e5dc01e0d81f2b523b51157c6ba7dd9cf248dcaad31a3fea10b05764b3b6e94ac2c879712683a4eb1884dd0d1259afea1fb1560eebfd12066722de04adf9e41b",
    "signer": "0x34b7cBBF33C5C0D4a244B389DA0329CF81314463",
    "userId": "103043076"
  }
}