Extrinsic 138040-1

{
  "heartbeat": {
    "blockNumber": 138039,
    "sessionIndex": 2300,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x543650695cf647ddd2c36b832c5092441b76a75b59867fac61d765c6864bbf2b3ab20843cddc2654508db94c3611dc3d5448365efcaa6ce3a72302ec2697398e"
}