{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "6840",
    "entityType": "User",
    "nonce": "0xc3a1f07291e6f7e23a92b7667947ed27071cf9b6d480aafe8f37cdbbd5351c86",
    "signature": "0xe31e374f4d7b23c625a9ad0206f6d6cc4e77f51a60427a63dcd975b9e9be9f2c3f6f4b0bba006a8096c0b543f0876570f800481f2824d481322f4404a28fdc9e1b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}