Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBAevqVizRhJ4e05gNGFWNcpBQREzjWXitXfag7Hbb2YXd+3qzWTP9P/Yzw… (1,748 chars)"
  }
}