{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949129,-0.314886,0.000000,0.000000,0.116062,-0.349834,0.929595,0.000000,-0.292448,0.881496,0.370727,0.000000,-1866131.857228,5624891.068744,2349802.403384,1],    "boundingVolume": {    "region": [1.891079,0.379735,1.891187,0.379850,0.000000,65.359440]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_76358.b3dm"}}}