{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc0e13820b1cf7837edcb00f7eea4e3dcc846b3ce9bb8e71412c91857f5fdd95e",
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}