{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "897648338",
    "entityType": "User",
    "nonce": "0xbc7ee6dcd09839af7481cf6d5e09bd45a60abf12ec1beb49bbbdec609ce645b6",
    "signature": "0xcaaff84b7baf8b06f06b816278748b986317480c62cbfaa96b036a77b9f8331c6651d3ef43845be5c36f5b7b2503e540434f5a12d0f6ae459f26945c662e86cb1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}