{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950303,-0.311327,0.000000,0.000000,0.173676,-0.530133,0.829937,0.000000,-0.257840,0.787037,0.560438,0.000000,-1646270.818025,5025117.282084,3554360.281211,1],    "boundingVolume": {    "region": [1.887336,0.594856,1.887435,0.594973,0.000000,8.725957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1346546.b3dm"}}}