Extrinsic 45525-1

{
  "heartbeat": {
    "blockNumber": 45523,
    "sessionIndex": 758,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9cfe97ac9bd04a5f06859eac21de976ef063cee325e5a9f019c364ed4b498e7a96909adf4c4a1836071117fc55c0ca7b3a6cb2b01edae36c169e36d5e13eaa8b"
}