Extrinsic 23120-1

{
  "heartbeat": {
    "blockNumber": 23119,
    "sessionIndex": 385,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf2637e2a3d7afce00cce80a2b9ea16f0fca873d1bca2d9bc5b30c9af0ee48a54c44e47c5f141e54206b179997ea23a286d87117ecf7dc8c33d57997dddf6d98d"
}