Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEZgxnLBfoXRrl5GSn0Oxa6I2fQysQAax3vecLFho5NRHg4FDn/E5wQ5n2j… (1,748 chars)"
  }
}