{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1729637714",
    "entityType": "Event",
    "nonce": "0x886b3a4294682657997f41ade42da3c75fac6f8a941e38a1bcfd9d8a92da93ac",
    "signature": "0x1f6a22d89627dfc70ff2fe78c3416f1863c2619fa475ac37e9005ff65eec5df95821b59aaa50ba6b7644386951f06611e7a9506c50385256d64c879aaff8b0e01b",
    "signer": "0x690b8E3ECc02141CC0d8Cc1f257ee760EF482d86",
    "userId": "267813348"
  }
}