Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD7DAjw/NwuSxvHjxdwSqWp5pEEgNebB37rjQh98WRVmxrdjgZW6vbwKMUh… (844 chars)"
  }
}