Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGSBZ5u4jw8UqSMtVl4vV8Q36elSvQs2d2PJRBaNEYwzGhOZjrOdv6oH4UO… (844 chars)"
  }
}