Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEzbI9no0zV9WYtaIup2Wnz+GHTD+Bxw70dNc3GO+Ri/UUmdgMxvF/P9sIt… (844 chars)"
  }
}