Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBKvZm9JwYGxe8o04Tl8aGFgxkQeKBraeGuc0XXL6HR9ncJw+3ZW86OM9yL… (1,748 chars)"
  }
}