Extrinsic 48708-1

{
  "heartbeat": {
    "blockNumber": 48707,
    "sessionIndex": 811,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x385d41d3f7372a791cfe2ec2742affa801e83661f9aa89a1d5d035c5f21b5f506759bc5141a2fbbdf2ba87091549ac89952db4677dad957ff5ca9aa6e04d5b89"
}