{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950375,-0.311108,0.000000,0.000000,0.173596,-0.530303,0.829845,0.000000,-0.257629,0.787009,0.560575,0.000000,-1644926.183445,5024937.873608,3555230.489705,1],    "boundingVolume": {    "region": [1.887105,0.595022,1.887204,0.595138,0.000000,8.720099]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1452936.b3dm"}}}