Extrinsic 157052-1

{
  "heartbeat": {
    "blockNumber": 157051,
    "sessionIndex": 2617,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2e6f3cf579cf460fac0b4ab6bd4f894c5d0031823bfc582c6d952bb061e5d27f7df6565b5813d12764c135e2ee43b2d0a2fff66497ac880d168d9394e6de8881"
}