{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x69465f27d7ad8b98b83d69122264d43820aa132acb3568d061f9c2627008fa55",
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}