Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAJmNC7M0rcg+v4c54IVPKsZ8V1Fgp78BAM2UdqjiFODDnBPEZe/eCGOFHQ… (844 chars)"
  }
}