{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x63aed5eb02e4deb93b61ff5659061018f5023f799ac1f5bb1fde8addc5cddbad",
    "signature": "0xc16ca34d832dbda3ea8d054fef113499ebecb63b33584f2417ccde9edda53b596c7ab01f5ffd6ac39e9eed48ca916ca2dd91655141a82cffda65f157ec28f3231c",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}