Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGgFW6Xh6DHf1qUkrjWg1Lok9BiJQaIDAhGEyevcJqAkD4tVI3Nde99Wc6b… (844 chars)"
  }
}