{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950642,-0.310289,0.000000,0.000000,0.173572,-0.531779,0.828905,0.000000,-0.256657,0.786330,0.561971,0.000000,-1638728.988667,5020633.425467,3564102.724400,1],    "boundingVolume": {    "region": [1.886210,0.596682,1.886376,0.596851,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1327678.b3dm"}}}