{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896869,-0.442296,0.000000,0.000000,0.282332,-0.572502,0.769760,0.000000,-0.339527,0.688479,0.640872,0.000000,-2168535.310425,4397265.183553,4065800.814175,1],    "boundingVolume": {    "region": [2.028862,0.695578,2.029045,0.695690,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_455326.b3dm"}}}