Extrinsic 71960-1

{
  "heartbeat": {
    "blockNumber": 71959,
    "sessionIndex": 1199,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x866b3ce5ad03f9a39d939fde3e071e2a333d4dd9c52a582eb498d7966e2aac73f02f9dadd01422d3c9baf2abc25990b5bb249876b5c9ef64c2d4f669473e2a8b"
}