{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892487,-0.451074,0.000000,0.000000,0.290937,-0.575643,0.764193,0.000000,-0.343742,0.680121,0.647516,0.000000,-2195516.053971,4344006.578116,4108066.519777,1],    "boundingVolume": {    "region": [2.038713,0.704286,2.038817,0.704355,0.000000,26.180016]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1977811.b3dm"}}}