Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC+p/34QVkW3/OmtEqp+d4/RZJWdkro2kT1mjh+5MefdgFPa/tb3X3rh7RQ… (844 chars)"
  }
}