Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCJWvWlorX4L/WjquQlr3A+R2HO6PhY79wt+KeBYvJG0E+t1M4aE/poi/U9… (1,748 chars)"
  }
}