{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897909,-0.440181,0.000000,0.000000,0.282518,-0.576298,0.766854,0.000000,-0.336618,0.686655,0.644355,0.000000,-2149985.191182,4385679.107580,4087956.419888,1],    "boundingVolume": {    "region": [2.026533,0.700145,2.026660,0.700214,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883526.b3dm"}}}