Extrinsic 22366-1

{
  "heartbeat": {
    "blockNumber": 22365,
    "sessionIndex": 372,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x7062200f33b5b210cc6ac8b9172a3aa186229317ac50768744eeb162f11338039804b0116822bcc5d5ec1c3db7fde639e44e99ca02bf9c5df2da26a5d62aea84"
}