{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898003,-0.439989,0.000000,0.000000,0.284410,-0.580471,0.762997,0.000000,-0.334766,0.683246,0.648928,0.000000,-2138198.721053,4363989.727881,4117049.472113,1],    "boundingVolume": {    "region": [2.026317,0.706063,2.026449,0.706286,0.000000,9.329967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820529.b3dm"}}}