{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfa8a95ba351bf4e7032daf1944c3c1084952275fc84a953738d3ab88b49bc569",
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}