Extrinsic 108875-1

{
  "heartbeat": {
    "blockNumber": 108873,
    "sessionIndex": 1814,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x325e960c291ba849a0b9ce16555253fa01b1213834e195a726c9a8fbaaba30001b26c148627816cf23db57acb56c91e7890ec628837097cddae13cc6978fec8f"
}