Extrinsic 44727-1

{
  "heartbeat": {
    "blockNumber": 44726,
    "sessionIndex": 745,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x762373c4cc12ab1ffa538d854fa86c30e9fd7556403d320a15128dd9737cc943cea86f3550f0b7e631637d5eac590b309ff28c5041ef4bed66cb5c81a9703d83"
}