Extrinsic 99309-1

{
  "heartbeat": {
    "blockNumber": 99308,
    "sessionIndex": 1655,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe2be790da4bf4d571a8d7009571f13f537b1f486fa96f4d98f7cd8f6c7378d7e53e808320a5a4c008833a3948556459367519373e6729a2add6199ebb131978b"
}