{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1d6bd5a5d97c2a43bca6f5294977934c29ac85f4bf35f8d05063cc0e7c40b5ff",
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    "signer": "0x0c5Aa954a53936B52eB9ECDBf21850214D89DCBa",
    "userId": "8694669"
  }
}