Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDiMviNhqASxc+oVxZxb8fAj0gQaBTN7NgfFGTPJF9YGH0Ogp3Gks2xZxMX… (1,748 chars)"
  }
}