Extrinsic 23538-1

{
  "heartbeat": {
    "blockNumber": 23536,
    "sessionIndex": 392,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf2d3c8fce6f0613ee69ed5d1fb59f2c2b625d1a1a6f0475b1236dca9d37e7d0e2335acf4a5cb41770a18105bf0b796bceee3a150596728667688285617440c89"
}