Extrinsic 43959-1

{
  "heartbeat": {
    "blockNumber": 43957,
    "sessionIndex": 732,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x74a7cf96e0276d663f616e5d0b1cd3bae42208631d84c53f068fd0c3870fa96791a506c268f1882422d45a1c5a7f14a7d4474727ae3b648ee0a1bc72307c348c"
}