{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334749",
    "entityType": "User",
    "nonce": "0x3b37a1607970e8116532b53e2eb00f1424612f612e8eff970e97a78014aac970",
    "signature": "0xdaa3ab8176fd42a14ecf13714b44986215127dfd470807c8a4a8ac27f8bd1948417b70019c089e7cc27d598daa0758e88dcba9f8c13ab06229b31968365c92791c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}