Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC2uYQ8WwcbyQi1e+fnPnGRUxS7gQTLFBQ6Th89DatXsS0EK6SHTP3Nq7cO… (1,748 chars)"
  }
}