{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0x9ce8fcffaec6ef96c21d23758d7d1da5a590afa24ca155867ce22d594c44db98",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}