Extrinsic 44653-1

{
  "heartbeat": {
    "blockNumber": 44651,
    "sessionIndex": 744,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9445d101d16c3cdd3f9cd777e739cae1ffc302f7cc426b3673d81e2ea694ed1544df3c8ed8c361a85de284e11376c99de7736b1bb96060679f008e40cf03728c"
}