Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGtMZHE+ywgkB22r9e+q4RMQQbftc6VpNdWyLp30x1SfXTNvQa9vuxxUmwJ… (844 chars)"
  }
}