Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCr1aDm/V+5/S0RrIHv6mhHM9IMFv5Z8p55HnBlvNVc3mHNOTLxFxsvo/lQ… (844 chars)"
  }
}