Extrinsic 37718-1

{
  "heartbeat": {
    "blockNumber": 37716,
    "sessionIndex": 628,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x240ea065d5e68455f2ee5c678c850ae9cc16cb98ae516266bed4adc447de4d1538b657edde18a616ea4b8d90bbd0556c980f9678258dbc66ddfc73fb2da2778c"
}