{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xfea1fa854782404984df1632fe6926522577b259dbcb5f47e57b61107dde61f7",
    "signature": "0xddf31f406e84290ff2745e9f9eb1113cbeab468d070be9edbb3e7025cd2d577e64c257d45841d014d8ce7be57489d4600f36c24ec81c80b31e1b48cd0014c2751c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}