Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBw/RnRfsaKGcpTVs10BPeLJ7JiSgM+FvRQdA2DXnpk3EUH8oiJxxOdLtKN… (844 chars)"
  }
}