{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x5d12e0f7ac4c8c5d081fa602141d86310036f8caad12f7b6e6f8449f1ec7d556",
    "signature": "0x0cadf23232887e67d1c079231bcb0332e20617fabd0e89603c75c071919f96e81837ae72fe7dca979f06749f1183b56172d22f5776256f809870127beff82fb01b",
    "signer": "0xFa709AdA06d367281fB40BaE8839A7a2d36b0242",
    "userId": "301356667"
  }
}