{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895231,-0.445603,0.000000,0.000000,0.289441,-0.581495,0.760321,0.000000,-0.337839,0.678729,0.652068,0.000000,-2157854.702625,4335198.331439,4137028.352487,1],    "boundingVolume": {    "region": [2.032554,0.710256,2.032734,0.710361,0.000000,18.925503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/15_1866737.b3dm"}}}