Extrinsic 45708-1

{
  "heartbeat": {
    "blockNumber": 45707,
    "sessionIndex": 761,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x481fd91c9eaac0e2b2b9fc32c1e19c0eef0ef4813b9b88b03c005ad74b8b2a77fd3a499aea0697072f304e4bd926a5c7f2afbedad0947a38acfeb39f7416fe83"
}