{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896154,-0.443743,0.000000,0.000000,0.288210,-0.582050,0.760363,0.000000,-0.336447,0.679467,0.652018,0.000000,-2148967.306986,4339914.938991,4136711.325840,1],    "boundingVolume": {    "region": [2.030478,0.710191,2.030657,0.710295,0.000000,9.687209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784775.b3dm"}}}