{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "534",
    "entityType": "User",
    "nonce": "0x9c2791e6341c1e76b170684094a8f160334fcb914b8fe0645524edd159716d36",
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    "signer": "0x18be9307B2841623751D878Af57061446fDD873a",
    "userId": "62955"
  }
}