{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c9194a69e03088fd7c21451a60955abc1c70237b66317eab1224c0ceb337c22",
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}