{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949184,-0.314723,0.000000,0.000000,0.115661,-0.348825,0.930023,0.000000,-0.292433,0.881958,0.369640,0.000000,-1866028.969584,5627822.405618,2342901.637090,1],    "boundingVolume": {    "region": [1.890908,0.378586,1.891013,0.378656,0.000000,45.693477]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/17_9989.b3dm"}}}