{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950102,-0.311941,0.000000,0.000000,0.174188,-0.530538,0.829571,0.000000,-0.258233,0.786520,0.560983,0.000000,-1648784.602562,5021825.036970,3557823.065584,1],    "boundingVolume": {    "region": [1.887982,0.595514,1.888081,0.595631,0.000000,8.791589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1456037.b3dm"}}}