{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950284,-0.311385,0.000000,0.000000,0.173718,-0.530153,0.829916,0.000000,-0.257881,0.787001,0.560471,0.000000,-1646532.936091,5024884.509851,3554566.553607,1],    "boundingVolume": {    "region": [1.887397,0.594895,1.887496,0.595012,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452637.b3dm"}}}