Extrinsic 23845-1

{
  "heartbeat": {
    "blockNumber": 23843,
    "sessionIndex": 397,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xc2aa9f076a4e5ee33112a5bc0052079e728bbb503f0fdc2aaec1042e55feec04d94948e6565266e6b5cbf3df99c03135f133e55f5853b69b31908d7f666cb28b"
}