Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFjpmB1CrHZspzIEiojJGpeaGEIQPNX0EcmMUrAw0q3SFWlzPKB0U6Nqtq9… (844 chars)"
  }
}