{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc08b2bdea9416b6c9a4bae94f69bb551858f37dd739d818a14817cd9e4100f03",
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}