{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8b9bdd3378f2250b6bd1d8d9c033e89ca70777f3ff5dd23d776288838dc7498d",
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}