Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC3LvxrGrqx4XlbRvBc9TeXb/DBJ3Zx2goxrmZ4Uv8ndEX00eQ97IiUUWMm… (844 chars)"
  }
}