Extrinsic 45396-1

{
  "heartbeat": {
    "blockNumber": 45394,
    "sessionIndex": 756,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x2e4a9e3ff71adc28009e9e383748d0ac50fbbad208c74c62b1c6d9bce97bc752f65cbd1132cc429ee99811d677757f72598f344edcfb1cf839100d4c3e2b1e8b"
}