{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950059,-0.312069,0.000000,0.000000,0.174029,-0.529811,0.830069,0.000000,-0.258496,0.786961,0.560243,0.000000,-1650455.969803,5024629.260309,3553117.466907,1],    "boundingVolume": {    "region": [1.888084,0.594613,1.888248,0.594744,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459310.b3dm"}}}