{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfcb95540ae88371a4b609780929ae9214209ceed5f8ddd8c99c2ba3af7284bc2",
    "signature": "0x85ddf8bbd2bc800bf8cb04219e86e94cd7bc0b4652214bda637dee46fb33465d07a9a11f016b9b90af17b26cdc06f69b5ac4cca6dafd377fdc48c2e36275bb931b",
    "signer": "0xd52cb63aad2554Bb3d59Feb0b8AB033b6c368c3D",
    "userId": "813928062"
  }
}