Extrinsic 23856-1

{
  "heartbeat": {
    "blockNumber": 23854,
    "sessionIndex": 397,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x8c53fdc8e5af686688cd0b7b6edbbdda4bde36755183509665aaf02763bb1e01d72101225b70bed8613626b4514773bb1f161392deface942f8ae0d10c2df88f"
}