{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x37065312bc68815ab746721749344d40bb593a4e1ad4ede8354a8e52360d2f86",
    "signature": "0xb6fe91340f9019d82fc35c34ad7de34fe8fbdffb3992b5c51470d2fad38174255dac260d046e9aa266fa7c345a94d364b100bbb8f1e0a336ec764d72825483a21b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}