{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948710,-0.316148,0.000000,0.000000,0.176499,-0.529645,0.829653,0.000000,-0.261742,0.785446,0.560861,0.000000,-1671187.339803,5014965.888080,3557050.658580,1],    "boundingVolume": {    "region": [1.892415,0.595314,1.892511,0.595537,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180925.b3dm"}}}