{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x382df1d9fb40152171dd1ac255dbf0eea45a3cf6de50ab2872485b18ba0387e4",
    "signature": "0xc7adcec74d88a35be79440ea05ac0857f47f22213e175978f1db29ab34c4fa763a72c9ab4301f86da039b929c0e6b27c0c82350090160b35a4476fa6fb5000d81b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}