{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948839,-0.315759,0.000000,0.000000,0.176390,-0.530044,0.829421,0.000000,-0.261346,0.785332,0.561206,0.000000,-1668661.571874,5014244.671831,3559237.756448,1],    "boundingVolume": {    "region": [1.891984,0.595788,1.892121,0.595895,0.000000,8.044616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1069393.b3dm"}}}