{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898792,-0.438376,0.000000,0.000000,0.283113,-0.580460,0.763487,0.000000,-0.333754,0.684289,0.648349,0.000000,-2131733.044295,4370641.270467,4113369.628560,1],    "boundingVolume": {    "region": [2.024505,0.705355,2.024670,0.705474,0.000000,21.631186]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1831704.b3dm"}}}