Extrinsic 41366-1

{
  "heartbeat": {
    "blockNumber": 41365,
    "sessionIndex": 689,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x3633562ecb85efc248d1506d998841e8a6042387ccdee4b0909d1a3f683be97e35043c5a7c38a4c07aa01fece31a19fce1f0b1d438b24ea435b87b681f02a283"
}