{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896742,-0.442553,0.000000,0.000000,0.287474,-0.582507,0.760292,0.000000,-0.335513,0.679849,0.652101,0.000000,-2143003.202294,4342357.011027,4137238.958444,1],    "boundingVolume": {    "region": [2.029150,0.710300,2.029329,0.710405,0.000000,8.320579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/16_1781993.b3dm"}}}