{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7de60c12d491ebb6c424d7779425e27d271b975a5d7fdf3d048193b227d3a6e4",
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}