{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898766,-0.438428,0.000000,0.000000,0.283246,-0.580647,0.763296,0.000000,-0.333710,0.684096,0.648575,0.000000,-2131450.068727,4369416.922123,4114807.072260,1],    "boundingVolume": {    "region": [2.024563,0.705652,2.024728,0.705771,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833501.b3dm"}}}