{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451684863",
    "entityType": "User",
    "nonce": "0x9d49d8387c919bdd811474c4fedbe4028103971933ea9e1056b48cc3fa96e5f7",
    "signature": "0x79ce44cbffa5c5afeddb79170661db4a5375a10829060f8d3231af6b883ac61852f21bf16aec87be122a564becc061f9ddc882816fd97177150d8fc384682c1f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}