{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948746,-0.316040,0.000000,0.000000,0.176312,-0.529285,0.829922,0.000000,-0.261739,0.785734,0.560460,0.000000,-1671162.921786,5016793.455914,3554501.296541,1],    "boundingVolume": {    "region": [1.892301,0.594830,1.892397,0.595053,0.000000,8.707297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1178138.b3dm"}}}