{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xada23e6773616d35f4216d04fb9ce932f600b32c8eb50a7e4525d9ea4a2b39dc",
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    "signer": "0x782E3b7D4B0edFEA3235CbACf99e07525B2e891c",
    "userId": "770353968"
  }
}