Extrinsic 137859-1

{
  "heartbeat": {
    "blockNumber": 137858,
    "sessionIndex": 2297,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x68f5e391fa664bb2cad223a0aab6cccc126251afd332896a74132e9d2c14ac69cedd987febf696045d8cc43fa7fb5763dffe8adfa15bf9d1b4467a90eb43038e"
}