Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBrYxGkTytKGRsPmTcmla0+HoBFnK/MoVzzmpb2CPJj23+t+Y3E3yPPJYmA… (1,748 chars)"
  }
}