{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2154",
    "entityType": "User",
    "nonce": "0x3be4b6c4e17a1328b4e0119e8d525f2e0aee6d6d3e2796b533554161874f2856",
    "signature": "0x0a539bac8303f1d8ca4f19e42cef17a7456f71380feb31e44d03c9e234144fb76cf9b5c948f4eb26ceae2cb3f7f784470b56feb344e0df45198f78bfb225d22e1c",
    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}