Extrinsic 45735-1

{
  "heartbeat": {
    "blockNumber": 45733,
    "sessionIndex": 762,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd61d3ecb37da643e6c3268ed57e616a19d48eda7a63d95b786a17b1b9325052af270bdac58f47ff16c503a9891585e0065a4b05ab79bc44596232ed7a775f186"
}