Extrinsic 23731-1

{
  "heartbeat": {
    "blockNumber": 23729,
    "sessionIndex": 395,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xc271743a7f89ef5e5e2ca21f3ad98302eda95104ee5eac74e3de19f807f9176a16702dcdb1da686b1e17f44791c6b01d40595519ac762321af2999af76bf368b"
}