Extrinsic 23907-1

{
  "heartbeat": {
    "blockNumber": 23905,
    "sessionIndex": 398,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf4a537dcc0bb602ae87d4a95041e2d4191df047912aaea31a7d751bd02492b657981fa8e02c9da10240624b839eb59b8a93a8db82df9521ce2902813992dde82"
}