Extrinsic 41978-1

{
  "heartbeat": {
    "blockNumber": 41976,
    "sessionIndex": 699,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x88e3e2a31e4e2571b5f34d5be25a0d4facb4fafc78d1f9287891b63ab1c5d96f030b0aac067e038be97d022fc2f819ce94e04c23b834d81cfbfe135eb6ce0b8e"
}