{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x31b021f82c19e7cec4072e7228c4f1faf529245632d733c9a8094b8e0e8733a7",
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}