Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAHySLzVkl/kx+1/Z8la3C9rhqCO4TRnHQ2wVhPFg5Lik+eQpAv+5jNUtLF… (844 chars)"
  }
}