Extrinsic 77328-1

{
  "heartbeat": {
    "blockNumber": 77327,
    "sessionIndex": 1288,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdcbd777f717c1e38c47a25f3793e8f795bc109eafa52ccce24ddfd49fdae1d012322faa71d07414d2b3044b1f81d98614c9f8d5044244acef968f44d9f11fa85"
}