Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEHv3A/qsY1YTp0NYge8KJDn6vGE49rDJfhXvZmHE+BpzO0GPNd4B2VMBTI… (844 chars)"
  }
}