Extrinsic 43240-1

{
  "heartbeat": {
    "blockNumber": 43238,
    "sessionIndex": 720,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x5a5c5347cbce390eebbb51eb24736e6ea237df7f9ecb53f259b490292fae2d28c1cb5ac1cf92efc438200e179dc4fd2de22d28fbef36fd5265bbd34a8c32158a"
}