{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "407339",
    "entityType": "User",
    "nonce": "0xa36002b9e0e7fc012f9d592285af9acb638914f3c93b4c812c5902cf425ee7b8",
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    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}