{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949181,-0.314731,0.000000,0.000000,0.175805,-0.530201,0.829445,0.000000,-0.260503,0.785638,0.561170,0.000000,-1663278.427079,5016194.230124,3559011.889927,1],    "boundingVolume": {    "region": [1.890901,0.595745,1.891038,0.595852,0.000000,11.469352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363275.b3dm"}}}