Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEKgqTa1+pkoIR4EOTAAF5eg2O1VDU/PdE9nYm0Fdxv6Cqo16KtYjw3tf+P… (844 chars)"
  }
}