{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897850,-0.440301,0.000000,0.000000,0.282851,-0.576781,0.766367,0.000000,-0.336495,0.686171,0.644935,0.000000,-2149204.563482,4382595.747174,4091647.107786,1],    "boundingVolume": {    "region": [2.026667,0.700904,2.026794,0.700973,0.000000,13.838875]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_853403.b3dm"}}}