{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x144617f2f5c849147eaa7bccbe6b3d59a4d7ae3353db41f379144fe58fd25f0a",
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}