Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEtF2Nx7GNB84p6Sxq5zgEHXIjGg6iCvurZy84vJepv0XAiC8W/zSzaTXkZ… (844 chars)"
  }
}