{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949839,-0.312738,0.000000,0.000000,0.174814,-0.530941,0.829181,0.000000,-0.258770,0.785930,0.561562,0.000000,-1652218.378191,5018070.382119,3561501.078333,1],    "boundingVolume": {    "region": [1.888785,0.596169,1.888956,0.596374,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1439910.b3dm"}}}