Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGBt3Bk2Y51NkRMU+QxI+FDQB90A0KnvRBuRQ95saivlRuBZF0F4G2QwOde… (844 chars)"
  }
}