Extrinsic 103306-1

{
  "heartbeat": {
    "blockNumber": 103305,
    "sessionIndex": 1721,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfc92d49ef33f201f69c1b8fa0fd613c0a2665c11782b07df1d7d9538ca21083912606dde42abceb49ddbe6a27efee486de9a667bee0c3c36b4d31377cadf298c"
}