{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896743,-0.442551,0.000000,0.000000,0.287474,-0.582510,0.760290,0.000000,-0.335511,0.679848,0.652103,0.000000,-2142990.044936,4342349.684020,4137253.366791,1],    "boundingVolume": {    "region": [2.029148,0.710303,2.029328,0.710408,0.000000,8.320579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/16_1781996.b3dm"}}}