{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949377,-0.314139,0.000000,0.000000,0.175396,-0.530075,0.829613,0.000000,-0.260066,0.785960,0.560921,0.000000,-1660487.654608,5018247.817883,3557430.358051,1],    "boundingVolume": {    "region": [1.890265,0.595365,1.890427,0.595631,0.000000,8.742126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367418.b3dm"}}}