Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEoX6eh+UUmcMTY8fAr5w9mgjL3dXyVUZ7KBZzo7bw5O1T2HMYncUfRNe0u… (844 chars)"
  }
}