Extrinsic 41071-1

{
  "heartbeat": {
    "blockNumber": 41070,
    "sessionIndex": 684,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xfc34731d4d9205f2fed20c24798673fca7de9d7cd30df57838b0d9eb2202b3520d63de00d24ad1803303deb5476bdb5d3b74801bb7ed666d38c0d02f674de28e"
}