Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/Jl2GbRpLEu2qIVsJGjYuVaj4xbGP2lOoOPIktCOF5QZuCL2gcJsPqexJ… (844 chars)"
  }
}