Extrinsic 152506-1

{
  "heartbeat": {
    "blockNumber": 152505,
    "sessionIndex": 2541,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x48ca60a8b8e75f3655144cb5622578b2b95b66812a522fb003f4863fd97ff730764f8c5f495dedfed6fc84656f0fc06135f7f1de471cfb264cd3dadefacef98c"
}