Extrinsic 50923-1

{
  "heartbeat": {
    "blockNumber": 50922,
    "sessionIndex": 848,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x745b0a2728ec24ac7ea3507147d86f43c3dff1c6afff230d6ffb00af03a9df4df847a5a789ef1c4a1a87cd8ea81797ade32c7de7d0e4ea6fb778ff91b091a387"
}