{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3717",
    "entityType": "User",
    "nonce": "0x1ea4666728253cf945c719a0bb7d9b5dad8e2f7abe663ec359db5cc660cbfda6",
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    "signer": "0xc8A7590406e5bC8bBe6D1402a4a96780255Cf3d0",
    "userId": "471711039"
  }
}