{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949098,-0.314982,0.000000,0.000000,0.115919,-0.349286,0.929818,0.000000,-0.292608,0.881681,0.370160,0.000000,-1867151.547835,5626064.123080,2346205.531403,1],    "boundingVolume": {    "region": [1.891180,0.379124,1.891288,0.379239,0.000000,71.377975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/14_6516.b3dm"}}}