{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896320,-0.443408,0.000000,0.000000,0.283805,-0.573692,0.768331,0.000000,-0.339745,0.686771,0.642588,0.000000,-2169939.133006,4386383.433257,4076717.821506,1],    "boundingVolume": {    "region": [2.030128,0.697812,2.030261,0.697931,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540064.b3dm"}}}