{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950662,-0.310230,0.000000,0.000000,0.173539,-0.531788,0.828906,0.000000,-0.256609,0.786347,0.561970,0.000000,-1638419.203949,5020740.521095,3564094.338833,1],    "boundingVolume": {    "region": [1.886148,0.596681,1.886314,0.596850,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395210.b3dm"}}}