Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHJchUHyMJK9/Hq/+rZM7iD+YGQ0Y4sJ199eR2D3jOxxBPGgLPe1GRnAzzk… (844 chars)"
  }
}