{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312767,0.000000,0.000000,0.174590,-0.530204,0.829700,0.000000,-0.258958,0.786419,0.560791,0.000000,-1653411.736944,5021174.978096,3556601.240607,1],    "boundingVolume": {    "region": [1.888820,0.595275,1.888983,0.595406,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355804.b3dm"}}}