{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "306115",
    "entityType": "User",
    "nonce": "0xc4ac2531afa5c9ce6edaa1cdc97247c6007a9e1b40121c710acfd3b93295bc8f",
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    "signer": "0xb332052fAaB9356cc95df81bB7214fE9C837197D",
    "userId": "645373542"
  }
}