{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949091,-0.315003,0.000000,0.000000,0.116108,-0.349829,0.929590,0.000000,-0.292555,0.881456,0.370738,0.000000,-1866814.974582,5624636.474919,2349868.773415,1],    "boundingVolume": {    "region": [1.891202,0.379746,1.891310,0.379861,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76483.b3dm"}}}