{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53471",
    "entityType": "User",
    "nonce": "0xfbf43464a7ac3af4a31cf7974a48466921163d59796c692dc947bdafac5157e6",
    "signature": "0x5176cb5fbae244ab358e791fb5a42c7bfdd3c572c0de12d36d9b4939827e963a3c26b6c03608082dd39f25564b5ba938d6dbe5a58b2a10d3378649aaae0042a71c",
    "signer": "0x7e9720d8C73bd719B01E9408E15C2884254beC2a",
    "userId": "234846549"
  }
}