Extrinsic 142958-1

{
  "heartbeat": {
    "blockNumber": 142957,
    "sessionIndex": 2382,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x2e5b2889927fdc6aa3fa8dcec59b4775682b169715540a79b36df3456008587fdd0611cc3faee447d9887542f0ab026b14959a86816cda5dd645eb5a758ec38e"
}