Extrinsic 70343-1

{
  "heartbeat": {
    "blockNumber": 70342,
    "sessionIndex": 1172,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x18a2bf659efb1bff0df8cadde969c47558e89cd6c5e02a7865c1d3b771d0c96f1cea95ae5ab1717afb0de1a1023610f1bd3596ce11110909d500dfda31c75389"
}