{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950326,-0.311258,0.000000,0.000000,0.173606,-0.530050,0.830004,0.000000,-0.257804,0.787120,0.560338,0.000000,-1646037.145587,5025645.809168,3553725.459410,1],    "boundingVolume": {    "region": [1.887263,0.594736,1.887362,0.594852,0.000000,8.571897]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1459807.b3dm"}}}