Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBd7bZKX4/4DCp5s2sHoI4Tn8Ns3rsoIFS+XPzOi+dWm0/Ww5S2Cigi02FB… (844 chars)"
  }
}