Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEUeLVrXJyGv8lpSaHxl9dj74UBa3/+kzFjLUPS3AvQYBgxV8E9Ikn66cRe… (844 chars)"
  }
}