Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCvrAh6uP2KG8eQOU3Ohcm5MfqII9lunb9S2fzA+3vLo20J3vdY6Me8MEA+… (1,748 chars)"
  }
}