{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "556395670",
    "entityType": "User",
    "nonce": "0x2fd1e068ac334a1aec1960fe12ebc72aabfa32725c7934b28088ca79f170543d",
    "signature": "0x09c4a3cf8d2215758516eb1b2e3f01c838932552572267a4d81b49721cdd61993e77843a97263264893cd9664854c7cacac7244a4cf2885d9774b8c120dc0f5b1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}