Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBiHMpF6n3hY4xvdRCnR3O9e4gfDT/BD+IytKiDu1NixHfqEOEiRIF/5aPS… (844 chars)"
  }
}