Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCWG8sBOIcqy+sbGf44Em4NtkZCy9K+R0jzAZ+EcZR8Bwx6OB1FTaJ421g5… (844 chars)"
  }
}