{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x63a4937c801ef8937f2171166c80082e15c35a6764e1150a81d684202102ee1b",
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}