{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949876,-0.312628,0.000000,0.000000,0.174723,-0.530873,0.829244,0.000000,-0.258699,0.786021,0.561468,0.000000,-1651760.281381,5018645.526523,3560907.106842,1],    "boundingVolume": {    "region": [1.888669,0.596056,1.888840,0.596262,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435123.b3dm"}}}