getshare and getsharesbynamespace don't work

[jcstein]

celestia rpc share GetSharesByNamespace "$(celestia rpc header GetByHeight 103692 | jq '.result.dah' -r)" 0x42690c204d39600fddd3
{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32700,
    "message": "unmarshaling params for 'share.GetSharesByNamespace' (param: *share.Namespace): illegal base64 data at input byte 20"
  }
}

celestia rpc share GetShare "$(celestia rpc header GetByHeight 101810 | jq '.result.dah' -r)" 101810 0
{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": 0,
    "message": "fatal error calling 'share.GetShare': panic in rpc method 'share.GetShare': runtime error: index out of range [101810] with length 8"
  }
}