Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/cmIzzLUUrbwzT4oZqQMSbLW4y9muLW+KipFo7dxvimVZ3Vwd6iM8Hi9f… (1,748 chars)"
  }
}