{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943867,-0.330325,0.000000,0.000000,0.184077,-0.525980,0.830338,0.000000,-0.273707,0.782088,0.559841,0.000000,-1747576.109221,4993506.794960,3550568.616927,1],    "boundingVolume": {    "region": [1.907389,0.594104,1.907499,0.594285,0.000000,11.359281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1242921.b3dm"}}}