Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBVg52KjG3RYdeBmi5/rh0yA7akuq/tDZSPy2HBaR8do0Tm4mDFM5OEwQ1G… (844 chars)"
  }
}