Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCYn6zbsRt2c+ufR1xvAVxckPdTl5F8EFfv1pCyq46kuEt+b+BGRcGbgOAH… (844 chars)"
  }
}