{"$$":["dV"],"$a":"$r","$b":"$s","$u":{"$a":[{"$":0.07872869001555512,"T":822.0611879990852}],"$b":[{"$":0.08832354136247826,"T":798.9417877771988}],"$t":[{"$":0.12142068722426776,"T":686.5385597098142}]}}