Extrinsic 150968-1

{
  "heartbeat": {
    "blockNumber": 150967,
    "sessionIndex": 2516,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe49f63b16ce07ea03729988c1550131529749f44d3d700eae47f4250b4aaed4e32231ca164f3797ce15105fa1a64f1e1c5e8df5fb3c1c2efddb393d7f342ca86"
}