Extrinsic 34040-1

{
  "heartbeat": {
    "blockNumber": 34039,
    "sessionIndex": 567,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xa4bd7db1878cf8a2163a493d461177f57014f5a354cb1872b3eb9f4e1c72b77e7d9872ded43b61b1362adbafa22a3157a0b671b5c33bb508e7a38ecf22e7828f"
}