Extrinsic 24872-1

{
  "heartbeat": {
    "blockNumber": 24870,
    "sessionIndex": 414,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xe0d990083a5e20492a53b3c251470cb54772c9916524d03cc2b05bf246fed95c87a2daa1822e0571ac4a72de2146880dce86079b7c30507732b930696eb5cb81"
}