{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896320,-0.443408,0.000000,0.000000,0.283805,-0.573694,0.768329,0.000000,-0.339743,0.686769,0.642591,0.000000,-2169930.787483,4386372.222363,4076734.215551,1],    "boundingVolume": {    "region": [2.030127,0.697815,2.030260,0.697935,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540050.b3dm"}}}