{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xc884c7894fe4137081cbaa0d6f76213e6cf8ef81b5dcb9f5418580c160e98b7b",
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    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}