Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGT5EwkWiAUrxywzKpxR3te5rl7kHNyo/AusCbgr2dR6Dj0akPXZuHFDTNQ… (844 chars)"
  }
}