Extrinsic 22688-1

{
  "heartbeat": {
    "blockNumber": 22686,
    "sessionIndex": 378,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x80fb45d1d3c5a014b1d314a0595974538ff8866dbf8ccdc5fb57d8bfeaf8a51d1a41de3de6df67e68287efd741f86ba10e6c84ac9bd865aaba84176e4386ef89"
}