Extrinsic 143674-1

{
  "heartbeat": {
    "blockNumber": 143672,
    "sessionIndex": 2394,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xb8da2e57de28070e7a5bb15154e04637bdb327268bfd0f3daa05e773a863930d9022b712ddbfbbca1b4bb9bb4df661170ee1a18d3622617a6608dcc43cb44385"
}