Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFuPNzcIqUkm67c4NpNhP8Er7UGM8y7K1KmAw/D4iddxCc2p+0CMmZXPwFP… (844 chars)"
  }
}