{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950212,-0.311604,0.000000,0.000000,0.174159,-0.531085,0.829227,0.000000,-0.257846,0.786282,0.561495,0.000000,-1646316.257839,5020314.542094,3561074.419112,1],    "boundingVolume": {    "region": [1.887608,0.596086,1.887746,0.596295,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432100.b3dm"}}}