{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948709,-0.316149,0.000000,0.000000,0.176427,-0.529426,0.829808,0.000000,-0.261793,0.785594,0.560630,0.000000,-1671508.316665,5015908.241818,3555580.724734,1],    "boundingVolume": {    "region": [1.892416,0.595035,1.892512,0.595258,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1178851.b3dm"}}}