Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAe09qJv2eehHFFGmFqD2Kd+FaXS5L6lYWJyUFIKu/XxkkKRYBN/j7VsJyt… (844 chars)"
  }
}