Extrinsic 22053-1

{
  "heartbeat": {
    "blockNumber": 22052,
    "sessionIndex": 367,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x80cb0e22ba8eda279209c8c2a99c7edb71337e68707f4a50d782373067c8d4468f249f15d46b8318f13f9e0238c38d15ad4af36327b1551bdd1b34d52703d187"
}