{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896554,-0.442935,0.000000,0.000000,0.283384,-0.573602,0.768553,0.000000,-0.339481,0.687150,0.642322,0.000000,-2168252.728547,4388801.684148,4075023.512335,1],    "boundingVolume": {    "region": [2.029582,0.697449,2.029751,0.697599,0.000000,54.447447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_938024.b3dm"}}}