{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf001d7d15d6cbcbdb569ca49553ccc1a19e0d027da4fdd8a414390ee10e9d631",
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}