{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc8f0d3bb35f0e3580b1747d6c53bc4d4eec1ab9af5c55732e070e9340c1a908e",
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    "signer": "0xD9C7653d7142a92d162aF4ea1EC8A3E8D2a3F8f8",
    "userId": "841029549"
  }
}