Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+Yr4xo1OLSSGphDxFcPE5t8gIIb2T7x/eLGM53KZzlmm2BvY4gXALDjOI… (844 chars)"
  }
}