Extrinsic 69494-1

{
  "heartbeat": {
    "blockNumber": 69493,
    "sessionIndex": 1158,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa446d6c7974b28e63d4923fba08b7e6f62d2d4c269b8aa3e29a89ee651774a258ce47e8afc71f969ecf0c8bdbed224f2d2567bd162d2d74b9a61ff19a0707b8a"
}