Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEkO2KX4tgM+Jr+Qc3mPgYqphDWCn6vQWa56foWU3+DW3BpCuL2Hczuqz5Q… (844 chars)"
  }
}