Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC19OfYfJG+v6XMkwgZ95O2PgcuqJPZ9HNCuiMQgRTXg0K074g4tHwwa9Ao… (1,748 chars)"
  }
}