{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949072,-0.315060,0.000000,0.000000,0.116141,-0.349859,0.929575,0.000000,-0.292603,0.881424,0.370776,0.000000,-1867120.026228,5624432.331459,2350113.377080,1],    "boundingVolume": {    "region": [1.891262,0.379787,1.891370,0.379903,0.000000,55.181240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/20_77003.b3dm"}}}