Extrinsic 188077-1

{
  "heartbeat": {
    "blockNumber": 188075,
    "sessionIndex": 3134,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa28ca7228801751f11af644046204ddad92c758a114d677a1449c43564b3a9211ddb5950eca2c7b38e7cf4fbe9b0205c7cb451bdd0ee6e1ec2c73bd1ceb2c58f"
}