Extrinsic 60618-1

{
  "heartbeat": {
    "blockNumber": 60617,
    "sessionIndex": 1010,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdc47b81a76f84972504bb6fbc4c7e091b0ebb9a98b17f23a946b3421af84cf3a8c28982e50fdd93f0e939cafc179b05eba6789b6bc3b6a43df444d2d119e5d88"
}