{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51904",
    "entityType": "User",
    "nonce": "0xa962d0ad33e25b4a54ff4a2d7c48a56b27a1317649d38ad7cbc8c18aadd5534d",
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    "signer": "0xf0Cc87B4295872d65aF3f871bAb6F2eD4F688e36",
    "userId": "389958"
  }
}