Extrinsic 22302-1

{
  "heartbeat": {
    "blockNumber": 22301,
    "sessionIndex": 371,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xfa9ad0a2c0828d1b97274ccab990c62fbaee6ecd60eb11dfb68ff26c9e836f2ac79b6aa5a1761b9fbe9394391ccd031ff30c17ca455537fb33bc51521b7eab8e"
}