Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGSf6ER5h6xIVtDV53Ckdlwz4PoVsUowyw1KBpR7fvoHGV1J/W8iOcYwao1… (844 chars)"
  }
}