Extrinsic 103420-1

{
  "heartbeat": {
    "blockNumber": 103418,
    "sessionIndex": 1723,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa43397c253c25bba9ad085ee4331fe6405a4affa8e0df2acc07c2ea7d1449023bd531ecb6334ff53f6760697ab98a6f72f45dc0301ce38db6d0f0369f65b6786"
}