Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE31T6Sjz0NsOGox/R5j7uaAwtVg6RhFt7U1F4fZpkLf2He3Aqo/yb0NebC… (844 chars)"
  }
}