{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x0492fcc9b811e8f64b5b77fd62f1a87bd65352fc339e2b440fd623601007dd1a",
    "signature": "0x323ff318ceae64c956cd07dbbb6f02ad1cdb99bfb67296439e3b9db288c981720ce46b19bc73b0ae095dd276e97d7a06cacd3c93b697192e1e780194e02effa01b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}