Extrinsic 23744-1

{
  "heartbeat": {
    "blockNumber": 23742,
    "sessionIndex": 395,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xb89f89385a81c8ba17c2aad419e9fd81c472dcb798b01889068e11586e8b116f0ff039199bb14c87e25eb892d403a794510ac725563ba22a1c537ccd0cbc7687"
}