Extrinsic 46354-1

{
  "heartbeat": {
    "blockNumber": 46352,
    "sessionIndex": 772,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb43efeb7cb8412a55fb552387686a681d02e5740218c90df658390c3c652275194a6cf61281930f01e70bc25a9f60c3cc41ca6ce51c71b41ad9c1ec6436edf8d"
}