Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCkLg/9XsrMrvimDczRQWhNTOjRyP2zPCq72Qb2X+Fsyz+s3Qwo1pVkJZGN… (844 chars)"
  }
}