Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJXGHlxubkbH8DI2CePyPM7QOr3dL3NRPyzMlYgU3fHxBTzx1l7ODF/nOb3… (844 chars)"
  }
}