Extrinsic 24445-1

{
  "heartbeat": {
    "blockNumber": 24444,
    "sessionIndex": 407,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xac22151fd81d959a6e45fd48ef4b23f4744cd7fc1058525a8da68f3ca644d03b78df9deaca704d2eb09934f4d0415a1319b294b3cc2a70f77c81b2c5b7a2c982"
}