{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3a4418a8e140eea2a9baa701f2f345bdc68f232db8d4fe3e22dadbd44e5054b6",
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}