{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948981,-0.315332,0.000000,0.000000,0.176259,-0.530445,0.829193,0.000000,-0.260920,0.785231,0.561545,0.000000,-1665945.316227,5013606.000001,3561394.677363,1],    "boundingVolume": {    "region": [1.891534,0.596198,1.891672,0.596305,0.000000,8.610852]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1066689.b3dm"}}}