{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896517,-0.443008,0.000000,0.000000,0.283481,-0.573682,0.768458,0.000000,-0.339494,0.687036,0.642437,0.000000,-2168339.502321,4388075.255197,4075754.646486,1],    "boundingVolume": {    "region": [2.029664,0.697599,2.029832,0.697749,0.000000,33.588469]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_508732.b3dm"}}}