{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895063,-0.445940,0.000000,0.000000,0.284042,-0.570111,0.770904,0.000000,-0.342838,0.688123,0.639492,0.000000,-2189665.279455,4394960.044465,4057018.082096,1],    "boundingVolume": {    "region": [2.032954,0.693775,2.033087,0.693899,0.000000,91.632361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_977661.b3dm"}}}