{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37e34ac08e417e0b07f1412a01b242dbc85bd1f0c861c28056645b7135b04d81",
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}