{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950075,-0.312022,0.000000,0.000000,0.174430,-0.531121,0.829147,0.000000,-0.258167,0.786092,0.561613,0.000000,-1648368.064258,5019105.352731,3561824.604232,1],    "boundingVolume": {    "region": [1.888048,0.596229,1.888186,0.596438,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1397133.b3dm"}}}