{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1d2b3456c998cf8b7e087aadd1107649a76483e011227c47f6b518bdb7c89955",
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}