Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCPHl7Nqdrj+b1BfjQbJA4BJkv4E3FQxK9L2AOTYPjahWDk8MpxYcHFQgwJ… (1,748 chars)"
  }
}