{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949397,-0.314079,0.000000,0.000000,0.175576,-0.530732,0.829154,0.000000,-0.259871,0.785538,0.561602,0.000000,-1659245.008268,5015567.140686,3561758.799727,1],    "boundingVolume": {    "region": [1.890233,0.596280,1.890332,0.596362,0.000000,8.027117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1338386.b3dm"}}}