{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16281",
    "entityType": "User",
    "nonce": "0x6ec7e2e0f6e1e13dd44a2e0536ad8f6edd626fbc20d70e07e437ad38bbb1f9b5",
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    "signer": "0xf0Cc87B4295872d65aF3f871bAb6F2eD4F688e36",
    "userId": "389958"
  }
}