{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892665,-0.450720,0.000000,0.000000,0.290678,-0.575696,0.764251,0.000000,-0.343499,0.680310,0.647446,0.000000,-2193963.690468,4345210.649335,4107625.419419,1],    "boundingVolume": {    "region": [2.038316,0.704195,2.038421,0.704264,0.000000,22.495098]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1967517.b3dm"}}}