Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDwb42iCuTf7/wdDFhOm34aUa4LWpTXeno8Oi28GI7m6EIYUPpetRBXqMCa… (844 chars)"
  }
}