{
  "manageEntity": {
    "action": "Update",
    "entityId": "2006517216",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"is_unlisted\":false}}",
    "nonce": "1793182241274703626",
    "signature": "0xb77acacb6cd4fb7acace4fabaea905f7121e8aefeb76781b612d8c11546d228e434161d4cf65bbd4aaabbec252a5df4aa7ff5da992a791ca75ce227b96d349081b",
    "signer": "0x09eD6FddF501a83C39A21dE7758aE4F75C54a49D",
    "userId": "392870017"
  }
}