{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852850,-0.522157,0.000000,0.000000,0.269437,-0.440077,0.856584,0.000000,-0.446468,0.729225,0.518553,0.000000,-2850199.557451,4655291.555922,3288219.057824,1],    "boundingVolume": {    "region": [2.120128,0.545115,2.120220,0.545199,0.000000,118.331633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_9211.b3dm"}}}