{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267292",
    "entityType": "User",
    "nonce": "0xf48190acddb2db91e60d336d750642c12671aab27c9d2ad36db9d01b6d9cbe9c",
    "signature": "0x3b7a81dad0d3edac25fe73f5dac5b1b6891db027bf880fc5df9c9aaf0c87fa22767edb6ffe29f7bc6a3bf41b1ac2b8fc898c844ad0e68abfaffcc58d747152031c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}