{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948992,-0.315299,0.000000,0.000000,0.175955,-0.529591,0.829803,0.000000,-0.261087,0.785824,0.560638,0.000000,-1667001.879485,5017372.081976,3555630.684358,1],    "boundingVolume": {    "region": [1.891521,0.595061,1.891615,0.595251,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074332.b3dm"}}}