{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892487,-0.451073,0.000000,0.000000,0.290933,-0.575636,0.764200,0.000000,-0.343745,0.680128,0.647507,0.000000,-2195534.024534,4344048.748163,4108012.685774,1],    "boundingVolume": {    "region": [2.038712,0.704274,2.038816,0.704343,0.000000,26.180016]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1977711.b3dm"}}}