{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950176,-0.311714,0.000000,0.000000,0.173866,-0.529984,0.829993,0.000000,-0.258178,0.786985,0.560356,0.000000,-1648427.102709,5024782.691250,3553837.412540,1],    "boundingVolume": {    "region": [1.887711,0.594750,1.887875,0.594881,0.000000,8.813611]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1376382.b3dm"}}}