Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEckcHmPWqWYM7reZYdZVBRhe+YUsDiY6+QzDOYFh0DdQvZGW+3qoGq2jfo… (844 chars)"
  }
}