Extrinsic 31606-1

{
  "heartbeat": {
    "blockNumber": 31604,
    "sessionIndex": 526,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xe4f66b631bd65de8c25cec88c8e00406e8862c41ceefeb6c1386279697e48e04b62e8a4a60ae9b418172a9a7ecf2b53e1165a2e2aa056c484d83cc521cddfc8b"
}