{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949229,-0.314587,0.000000,0.000000,0.175864,-0.530648,0.829147,0.000000,-0.260289,0.785392,0.561613,0.000000,-1661914.806849,5014634.098191,3561827.372504,1],    "boundingVolume": {    "region": [1.890809,0.596313,1.890826,0.596355,0.000000,8.543151]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12.b3dm"}}}