{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948821,-0.315814,0.000000,0.000000,0.176341,-0.529792,0.829593,0.000000,-0.261446,0.785481,0.560951,0.000000,-1669300.132589,5015188.312510,3557619.338912,1],    "boundingVolume": {    "region": [1.892063,0.595422,1.892159,0.595646,0.000000,8.793842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181507.b3dm"}}}