Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHLsLachWjdtL8fzFwcM/VWJQeXGQcUWLfE+Zr0ZFoiSDx9rA+4HiQwyzO… (844 chars)"
  }
}