{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898957,-0.438036,0.000000,0.000000,0.282920,-0.580621,0.763437,0.000000,-0.333474,0.684369,0.648409,0.000000,-2129939.997786,4371154.689000,4113750.329140,1],    "boundingVolume": {    "region": [2.024127,0.705433,2.024292,0.705552,0.000000,18.352327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1827852.b3dm"}}}