{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc87c42013fda5cf4a09eb37fdfae11e521ec4224e9e490c187be26b575004426",
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    "signer": "0x595E8B6455B35290E0DD33D22fa066A22F1d53CA",
    "userId": "988212601"
  }
}