{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9450c2ed59c88ff83adf4bda50d987be144d2eff88bbe1ede3daf8c0c2427b3a",
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}