{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "398",
    "entityType": "User",
    "nonce": "0x3e279e724bbe0e74c17a679651a011eb16c129a854698c827ff671bb86e3d20b",
    "signature": "0xccf82c329b1473251fcbff991c5118c7bb5821bf9bd584c8c7fc34abcc28e78f77dcc1c67676237c66af113a80e031391f602c2fd60ed5b0f87fac497c5a4c931c",
    "signer": "0x25E1Cc64Bd72FaD56C1D4C44e1fc2307BdcDa0c5",
    "userId": "7892"
  }
}