{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950535,-0.310616,0.000000,0.000000,0.173850,-0.532009,0.828699,0.000000,-0.256864,0.786045,0.562276,0.000000,-1640048.311776,5018815.056638,3566043.274163,1],    "boundingVolume": {    "region": [1.886588,0.597087,1.886686,0.597185,0.000000,8.284463]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1325928.b3dm"}}}