{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x747ec2c87bbf2ff330a6dab5a23af57dcf1118b96624539bfbdf10d5c8b6986a",
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}