{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949762,-0.312973,0.000000,0.000000,0.173456,-0.526379,0.832369,0.000000,-0.259969,0.788916,0.556802,0.000000,-1659843.414559,5037041.526184,3531249.697524,1],    "boundingVolume": {    "region": [1.889058,0.590468,1.889177,0.590593,0.000000,5.425614]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_1322727.b3dm"}}}