{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949056,-0.315107,0.000000,0.000000,0.176133,-0.530486,0.829193,0.000000,-0.260734,0.785294,0.561544,0.000000,-1664755.683641,5014006.504680,3561387.175356,1],    "boundingVolume": {    "region": [1.891297,0.596197,1.891434,0.596304,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1446875.b3dm"}}}