Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBAmzZVD1lqcq3JZ2gIFR6xb934nSHJf7BXGUT+WYKcIV2TIjJ2dl+U/2nH… (844 chars)"
  }
}