Extrinsic 22397-1

{
  "heartbeat": {
    "blockNumber": 22395,
    "sessionIndex": 373,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6aeb311a2092832f4cb25b2b24801b746e1177a98a521c1a3dd2c493db9e4322543cef11683f099e42bdf8cc1e3428e80cfe30b4a79dd3a0303570304109208e"
}