{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950610,-0.310388,0.000000,0.000000,0.173281,-0.530700,0.829657,0.000000,-0.256974,0.787023,0.560855,0.000000,-1640746.152021,5025036.292095,3557010.489818,1],    "boundingVolume": {    "region": [1.886339,0.595361,1.886455,0.595475,0.000000,8.777474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1451044.b3dm"}}}