Extrinsic 41140-1

{
  "heartbeat": {
    "blockNumber": 41139,
    "sessionIndex": 685,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x44c96581ebb140bb79a1981e57a7069a379ae615f58689f56bc4878fdfffdb6cdf269ef89d5998deb63b70f591d7e273d9901668965bf8f5922f18d14e6dc78f"
}