{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x73abc71dff196dfcc6bfb39f82c0f1ff2387d569d7bd37509f80f6ee79b34653",
    "signature": "0x80b18dbbb7694269212254d345cbed7a6ce0f1be40d5766e11b9cbc3e59663b445288b74947322e82ded2b0006a1f4d9516d4ba80078da99be8692b77531d0c51b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}