Extrinsic 22608-2

{
  "heartbeat": {
    "blockNumber": 22606,
    "sessionIndex": 376,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x4e12975354553e265ded6640a8796bab318c4a94c4313e0d4ae74c0f9e4baf5a66fa0e91a069f5d9bd34c855d77e8c426cffd0c9c82ae601256071fdbe873188"
}