Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFJrTGFpvnuwJBNxFd+rt33VdR0O+XqxPf64Y1h8dxobihpXxHA1sbWbDK/… (1,748 chars)"
  }
}