Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEQgqRxwQfWDQKasgxFiGLAxPXeWWgSYv/W438cLmrVhGB72NQbmM2a1G0K… (1,748 chars)"
  }
}