{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51879",
    "entityType": "User",
    "nonce": "0xaaf437786cdd7967964cb11b515408a538a69009b853a19361dfc2f07d588560",
    "signature": "0x43dc4e87c075cc9e674ac9df86205d8af4535c252a1a83c00c078f994f3e73554b9c8c6d7a5bf13a73cbafcb3a04f8f06f03ad8a7eccafcf0dc38a883d3c2c181c",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}