{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1757163",
    "entityType": "User",
    "nonce": "0x4b3e21cfeee19317b9ca73215b4330981ccf2705b73c76c381e09fc6ee174347",
    "signature": "0x63f8fdc074403cdb3e44457bc4411e70fbd127ee2f403dee3731e2e9ea1f8bc50e1c6bfcff76d8728c2418742e713c3031e41d74503836d8c85654197be87db71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}