Extrinsic 159699-1

{
  "heartbeat": {
    "blockNumber": 159698,
    "sessionIndex": 2661,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1a1d6e5ce56c118a3e5809bcbd6fd673af16af3cb157198f781b4305bb44226df90dad68a20b23fa4bff6a07eca51e9daf485b0d4da2d66b03e77cf773a27c8e"
}