Extrinsic 45088-1

{
  "heartbeat": {
    "blockNumber": 45087,
    "sessionIndex": 751,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa04431625d96b9aea25ce97527fcca34dd5df9d8722fbe887ea893bc4190fa6465752f9b22ac0f441707d30c0c66f5a626e6eb5ddf8bb0e5d03aa588dca49a87"
}