Extrinsic 6982-1

{
  "heartbeat": {
    "blockNumber": 6980,
    "sessionIndex": 116,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x34c85a9aa9b317ad01f456075499526b515e78c4251447e0c07ad853fd62ab082d46be8dd84a8956b8196638c362d381d6bfa9b5d58d85dac4fbb3f3e394d18b"
}