{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88557",
    "entityType": "User",
    "nonce": "0xf6d7528de6a8c8c65e96733b055d8b9fc64c54916e3cef7d832061f3fb0c8d4c",
    "signature": "0x3ac21203a607e909e65d0548eb54cdd030a4742b7838df277eac90c4051ba0035e830a973066c207befc446aaf709edbb4c50562014b40cc6d7bc1ed2f6468a01c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}