{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xc47a4647cf295fd4b1791b189624bc245d0c94a3578a792831c16eae55aa4001",
    "signature": "0xd289f2129d2c691a57101763b487c88d444f9f30cce6dcc61b9ade49db64ac0a4f932b3ef80da11781a5bfee35b474f9c34cbe5cfa8b1cfc8f18dfa614b94fcb1c",
    "signer": "0x9Cc78eC75533CCe255cb0D64B87f1806EeF8C4ff",
    "userId": "537863037"
  }
}