{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5605f3695febe92fcb8934f1c684155a6006512e1341d55ffb390578194b0edf",
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}