{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949179,-0.314736,0.000000,0.000000,0.116015,-0.349879,0.929583,0.000000,-0.292305,0.881532,0.370756,0.000000,-1865218.212042,5625118.289379,2349982.663999,1],    "boundingVolume": {    "region": [1.890921,0.379765,1.891029,0.379880,0.000000,41.759544]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20_76686.b3dm"}}}