Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB36eFgfpX2aClbzqXK4DUzR9fC/rSMjGLrXSNyZ5ts8Df4y4yVJWIt61Ur… (1,748 chars)"
  }
}