{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948999,-0.315278,0.000000,0.000000,0.175954,-0.529629,0.829779,0.000000,-0.261062,0.785807,0.560674,0.000000,-1666841.558020,5017264.098872,3555856.688547,1],    "boundingVolume": {    "region": [1.891498,0.595104,1.891593,0.595294,0.000000,8.774862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1073655.b3dm"}}}