{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948601,-0.316475,0.000000,0.000000,0.176602,-0.529347,0.829821,0.000000,-0.262067,0.785517,0.560611,0.000000,-1673257.498021,5015411.837328,3555459.057744,1],    "boundingVolume": {    "region": [1.892760,0.595012,1.892856,0.595235,0.000000,8.766100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1183746.b3dm"}}}