{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x01b7a6c366895b8c0ac98161221fee25672a63d6770509c584a461a0d4f7658e",
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}