Extrinsic 5545-1

{
  "heartbeat": {
    "blockNumber": 5543,
    "sessionIndex": 92,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa0d952e3394ca736dc63d559a6d51e3342c1ca387960eca68f4b1bdcc74ed0376662f9293ad3befc1354bbb98fb0b92a06888e26ae52dd4c04698ff6e8f67686"
}