Extrinsic 27524-1

{
  "heartbeat": {
    "blockNumber": 27523,
    "sessionIndex": 458,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xbe571c361df1e78694b001fbba11d5f8f24dcad33938fa6be899de1f58d1492e1ec0b6db22c36a9d3e73585711ba7b01e7b7f5c920b1c371737fe93265921181"
}