Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDiGMhD2W87rpLMhTSWxDWhIDGMnWWTJnNEWZA51HT1GnIpib0Bpgpn9jLx… (844 chars)"
  }
}