Extrinsic 2361-1

{
  "heartbeat": {
    "blockNumber": 2359,
    "sessionIndex": 39,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc64db0685501736503cfe5f4acd6738ebe59df9319f28f4c82448ea75bfcf96936ee8937daff6d6208a4211044535e57df9300a974f605dc2b639aa22f28a881"
}