Extrinsic 48104-1

{
  "heartbeat": {
    "blockNumber": 48103,
    "sessionIndex": 801,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb00a10783ad573af8cd0baaa6abfe19be8e5a6b7d0b304e6a97198aeaa189411918c89784083f968881d57b6a4a97586d94de3ea6d93dab8633690863ce86880"
}