{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948729,-0.316090,0.000000,0.000000,0.176467,-0.529659,0.829651,0.000000,-0.261693,0.785460,0.560864,0.000000,-1670876.382359,5015056.951037,3557068.233966,1],    "boundingVolume": {    "region": [1.892354,0.595318,1.892450,0.595541,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180990.b3dm"}}}