Extrinsic 27282-1

{
  "heartbeat": {
    "blockNumber": 27280,
    "sessionIndex": 454,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xead76326d565322b6e5c5c52924631063002a57257601ead5fbdf0d33a45c553b9603e810f375013dc55994afe33d3590f903fa7f69aab63a85a4fbed71b5281"
}