{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf6a799b8f2b9944c43a24fe4ad6e396021327db6ab573570335679773e913955",
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}