{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950621,-0.310353,0.000000,0.000000,0.173363,-0.531015,0.829439,0.000000,-0.256878,0.786824,0.561179,0.000000,-1640129.744565,5023767.981590,3559071.806909,1],    "boundingVolume": {    "region": [1.886303,0.595753,1.886419,0.595867,0.000000,8.818112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1424977.b3dm"}}}