Extrinsic 142966-1

{
  "heartbeat": {
    "blockNumber": 142964,
    "sessionIndex": 2382,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x182dec0a8623298e967355fbe287ce5f6655cd8683ca5dd9cc65027f680281799f84de1d73a7f7bdb18f567219f69ec9305b8320cd783f189778e42f93d98188"
}