Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFoFPFc4SV2IwdNGqIrvxMHgZpJiCTi0buRC+s5jVPJM0ZkC5Ws/tf3C2bz… (844 chars)"
  }
}