Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDq5HFtDc/+QNAsWNgGec0EzzjCHaKxb8cJRciG+5BgqwXTpBvvzGSxWyj6… (844 chars)"
  }
}