{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xc9e85c89d347f28c755db69de51edfa3588bdade52fa2a8a3b9bfcf0393ff509",
    "signature": "0xd15e697cc439d75bc2b511ca5b8908cf112b1ef9561f42dbfd1c7da74d8010a528c68b88c55e7099a1935fb01a04f293c6540358bba4d958170e47491e72a8c81b",
    "signer": "0x5B4a8594975f00b3278cA5447Ea60256718E7BB3",
    "userId": "302311"
  }
}