{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "385866220",
    "entityType": "User",
    "nonce": "0x89ccb6f027e2c09ae0968d434b0c270d7d6a84cebb0f8d32d3726e084cfa1d61",
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    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}