{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ff672f82077b31b926babf4da7442d11df49def2f5554d221b9a6860da0d73f",
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}