{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e89569c6d1690f318de0bc3354824ef7b8c71278a88c015d3270f0032311df2",
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}