Extrinsic 24644-1

{
  "heartbeat": {
    "blockNumber": 24643,
    "sessionIndex": 410,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x060556e3e29f382e3eeef5277dfdcef2ba87f0f9220fb8dbb9d2a72d196e5b24aa09fcdd7df9b983c45257bcd58baf577eb809104795121c56b736e796ef3586"
}