{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c81bf83188db815c51d8417e532318bcf2302d3452772c9d45d5442d23b8009",
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}