{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xfe3c88b1569fc829eb19f27c675c35e08d97d41f37c248ca352a61823392c07d",
    "signature": "0x5cd21c1a48d8e9d1295c9c303a097a8f353baff7ec06a321a3b248bc79235b8c54e1169100aa069c5b2f921afb0e4d57d7ec28379fb95eea3aff25a62cf0fd771c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}