Extrinsic 3766-1

{
  "heartbeat": {
    "blockNumber": 3765,
    "sessionIndex": 62,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfe5cd3f43fb377693d978375223f3fe3e47bd595e7a0895d615fed0069acae3140c3c3b53f7160c77a8c9bbee5a5fc84463a35628a3ade1058f3881a8424b683"
}