Extrinsic 27943-1

{
  "heartbeat": {
    "blockNumber": 27941,
    "sessionIndex": 465,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x02555618d7e9226e15f3e9c792fbcb7b97fea8df77ed4dcde5bf77e3605ded16facbd07a0a0f0992d4616fa1d4469a38130fbf88715ec4ec640544152349c182"
}