Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwER4R7Blgz/FRN+QAulMFRmVSWz8pXiB0Uw/OPsh7la7nCnPgYrjqU8N4KO… (844 chars)"
  }
}