Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHo6HNMQKhpy/auwOJ+zW6YnhK+NtxcNFslbuZMsS6Ih2JTDvvRp4D13s3v… (844 chars)"
  }
}