{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "389572",
    "entityType": "User",
    "nonce": "0xde60bf4b5b79539e7cc874551214b16f7059cdb38e8b10215124bc948eb8ff15",
    "signature": "0x5de73d21cea827b68ec20a2ccf448fd57799f25fb3d1639fd96ad79fba14f95b186d04bbcbb6d546897c1fbf6f17e8ca17e703ed2689e6c71ac822419fe7c55e1b",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}