Extrinsic 24975-1

{
  "heartbeat": {
    "blockNumber": 24974,
    "sessionIndex": 416,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xda2be6df4c2e123401b3d665e833e178f6264efa15023f6891bfc00dbacaf86fdec3e3357f0179db372d6c9dd9070d042e07ae35ecd04977af03e350ad6fe18b"
}