{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897640,-0.440729,0.000000,0.000000,0.285533,-0.581550,0.761755,0.000000,-0.334778,0.681850,0.650388,0.000000,-2138292.632532,4355101.992677,4126338.769870,1],    "boundingVolume": {    "region": [2.027131,0.707981,2.027282,0.708209,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1797104.b3dm"}}}