{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbbdea53a4ea0465a24fdcfcd409a1e331f4cda2a8b55401793048118a7fa34d7",
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}