Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHJCR1atVFSMgm1NzRp1efsW+c0X1p05tJuCIi7UnQdNxm9qL9ydnaBzgCl… (844 chars)"
  }
}