{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852953,-0.521988,0.000000,0.000000,0.269313,-0.440070,0.856626,0.000000,-0.446346,0.729350,0.518482,0.000000,-2849420.640730,4656085.160614,3287773.456009,1],    "boundingVolume": {    "region": [2.119930,0.545033,2.120023,0.545117,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_4362.b3dm"}}}