...
],
"net_curr":0.0,
"num_currents":2.0,
"tot_neg":0.0,
"tot_pos":0.0,
"tot_us_cur":0.0 <---- USE (total unsigned non-neutralized current)
},
"r_value_blos_logr":0.0,
"r_value_br_logr":0.0,
"srs":{
"area":0, <---- USE (Total area of active region sunspots)
...