Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG5t1Bvx/l+2laSMtZ/hhgQeRfiU2O9BgDI8w/hoK5uNUzjaDovKG/dEwG1… (844 chars)"
  }
}