{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd144f16d022a236110a8823f05c69c49f2365d168e804adf5e9a115d09024c56",
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  }
}