Extrinsic 24280-1

{
  "heartbeat": {
    "blockNumber": 24278,
    "sessionIndex": 404,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x4830e5504ae525d3feed6e1da857683d88559b3b80c8d9e653e506b29693af5e2e21cfbf744733e4a98dde45d748c68c2466495f38061c0558e51f0656fb0e82"
}