Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGngpsMM6K1sLtBUWAPwSp3OLIhTHBJAf8/Lnxd+Euk5VRi6BeyZjpl4RzG… (844 chars)"
  }
}