{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949389,-0.314103,0.000000,0.000000,0.175602,-0.530762,0.829129,0.000000,-0.259884,0.785508,0.561639,0.000000,-1659326.383770,5015374.148093,3561991.078396,1],    "boundingVolume": {    "region": [1.890259,0.596324,1.890358,0.596406,0.000000,8.027117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1338188.b3dm"}}}