{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x14033ba627c654e2264e6ec74d63ffb5729e162cfc15cd085fa52567654c38a0",
    "signature": "0x4a55349095ee9422b5a8fa274590428c7819b148545f68e56706c86e9222db5d46f4b6622a640726366939613235eb0efa2d1d3af00a0a385e40e959219269001b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}