{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfaa6f1508f933e3176aa18940c1a9d4e23f9f8c0bda9b860954573630fb33bb8",
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}