{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311615,0.000000,0.000000,0.174144,-0.531020,0.829272,0.000000,-0.257869,0.786322,0.561427,0.000000,-1646463.003484,5020571.899078,3560646.606842,1],    "boundingVolume": {    "region": [1.887619,0.596005,1.887757,0.596214,0.000000,8.604596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431327.b3dm"}}}