{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157413",
    "entityType": "User",
    "nonce": "0xe4595ef78971359b0cbbaa5ad3ff5046ccf9374545aed28d1c6fb3c03ac92318",
    "signature": "0xcf808d58793b8e9697fc3f79157323366a25a21c9a4bd5f06c03cb48c0adb6c4234a3cf4216e15658b9684faf71445039007e3124405e45da8c080f4eb75f1b21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}