Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBbrC6ANzdkbhWvYs1QEFP5f21Gc7E5Xd8ItHDATR1n5Dt3OPvnYH8+uVI2… (844 chars)"
  }
}