Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGS0yQmMRvjEsmOMFiO7zQ/pQ5o6Z9uXb81vBIQcnlObDPT1xgN/Uk+sPY3… (844 chars)"
  }
}