{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "351990",
    "entityType": "User",
    "nonce": "0x42ccbc8be44da902c5aa6218d658c5bed19f0a4f7c43736606e269dc12a7a381",
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    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}