Extrinsic 44481-1

{
  "heartbeat": {
    "blockNumber": 44480,
    "sessionIndex": 741,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9e4a3f8ed382366ca8229a4717540f72b33995ab0d201de21788e026390b6a52cf3042ef5c2035b1833c6fd6c49bc770928f950d00f1fad294f12034d2891c81"
}