Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwECCPsqKXCW+G/QRRmtYDXOVWemW7dITEVUQNcJA99QbhTk1OBVkcCRViDc… (844 chars)"
  }
}