Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwExD1lzms1I15gSmdOJ7uaD2Nf5bpOI+2VpfUfOTrCmXju6Yc/m8XewO5TV… (844 chars)"
  }
}