Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIBZkqH0C7JQcFrNA7LPzQ0Ia8xyGH4DuXFjhaceYSSrDzMu56HKFz3aKbr… (844 chars)"
  }
}