Extrinsic 22148-1

{
  "heartbeat": {
    "blockNumber": 22146,
    "sessionIndex": 369,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe4a24563ca8c775ee65cf69535e1695b91d9a5f6d429bc7b95f9129377261153f720cea49df9eaf52e2b7367a473b2a5be84840c01346848bed7b136e7f85d8c"
}