{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xefdb6936a1d20f759f86e4e20b4115e52fd7986256f62300074470e50e56ddf1",
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}