{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1684",
    "entityType": "User",
    "nonce": "0x981056c9f14e4dcaa8e51afcee3ec22eac8544730577822f429bbba0e236a7e8",
    "signature": "0x44497add75f74c3f80ac66ae0d85f747f8ccb3aa6cfbde2389fd0e2b23fccc3c64adaa0906d026cc031f1f0458882740c6f38ded9f1a71c88c90f0c18105ef681c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}