Extrinsic 45327-1

{
  "heartbeat": {
    "blockNumber": 45326,
    "sessionIndex": 755,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc88ea4bd0b4233920cf0caf01d7d94580b26b2f9e597ed1411f51ce5dff28c44b2bde4897179dd90bfc6fd042652f1693ef202af775c6762259f8864fda23383"
}