Extrinsic 42109-2

{
  "heartbeat": {
    "blockNumber": 42107,
    "sessionIndex": 701,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x5691a457bd366d1d44de78ae954d36f9979cc528530aafeb69cd205ed3ea636661cdc1852d00f4934988650202b19302ff33ca82c6ef96eeba4973febde2be87"
}