{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897875,-0.440251,0.000000,0.000000,0.284579,-0.580388,0.762997,0.000000,-0.334965,0.683148,0.648928,0.000000,-2139472.018824,4363366.862171,4117048.171995,1],    "boundingVolume": {    "region": [2.026609,0.706063,2.026741,0.706285,0.000000,14.813745]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1820523.b3dm"}}}