Extrinsic 62310-1

{
  "heartbeat": {
    "blockNumber": 62308,
    "sessionIndex": 1038,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xc0e190a036e65ce03a407948ce9cc998d1e7d52e4fdf90bc1f9a55674027f03fff6085aace8f79f57bcbc33d2bf3672998670404c63affac0103451fa5d29f83"
}