Extrinsic 64410-1

{
  "heartbeat": {
    "blockNumber": 64409,
    "sessionIndex": 1073,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd86b1098418175a515ccd2d3265b4730a4880ac6327447480343ff8c93c4d712b350bc49322203295f4e19759bf0676db101308efcb986eaad7d57cef2050988"
}