Extrinsic 157696-1

{
  "heartbeat": {
    "blockNumber": 157695,
    "sessionIndex": 2628,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x044f80e71e8b3cdc834bab44a0f60a6cbf22fa24c3950c91de8918a9cc437c1e4213021688a70a2cbdef971a75b96bf1a8b5b27b5a12392d1c0cbf5c220a3f8c"
}