{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898017,-0.439961,0.000000,0.000000,0.281236,-0.574039,0.769016,0.000000,-0.337406,0.688689,0.641767,0.000000,-2154997.675666,4398621.077534,4071489.702314,1],    "boundingVolume": {    "region": [2.026306,0.696771,2.026399,0.696828,0.000000,23.336062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_750582.b3dm"}}}