{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948762,-0.315992,0.000000,0.000000,0.176347,-0.529480,0.829791,0.000000,-0.261656,0.785621,0.560657,0.000000,-1670638.353479,5016078.329091,3555748.511906,1],    "boundingVolume": {    "region": [1.892250,0.595067,1.892346,0.595290,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179264.b3dm"}}}