{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "303833",
    "entityType": "User",
    "nonce": "0xff5fb0ed0e1e2bfb897b130a9825a36ba07e441c93842f80ea75c72d3ce7643b",
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    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}