{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0d42b41876eb4475376dd7f4e58083d5b465bd25eae2dab57874e84fe43ef8fb",
    "signature": "0x996d2be76e0528be42f8800a822e661d3b67139a2a9dc6523d239a3d5d7cc88e682a3ad26225872ec3175ca657eb36522a85c3cb478c82c0c5548784e5bcc9b81b",
    "signer": "0xfbbb1226182dF79443F21FC56e05AB65B03d7B5A",
    "userId": "255561258"
  }
}