{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x12c545dc48662bc3466086baca6f90205bf91fc68e1f36c536bf66f7d7cb2531",
    "signature": "0x3c48b22a715362930b92cbcb79d2bafa08624fa08687aa909e8b98f23b2d2dcd3926d26f2f56635ba25dc5fe6b1d79bf6ea6097f3ac29a9bf6e9da73f429cf551b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}