Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC8K4F1aGNgyOBVKWUs5emvyN2mIz/gWA9l0MpS8/YpvFSZ2KG4gyIW5B7I… (844 chars)"
  }
}