{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950701,-0.310108,0.000000,0.000000,0.173418,-0.531649,0.829021,0.000000,-0.256544,0.786490,0.561799,0.000000,-1638005.985831,5021648.910738,3563011.638665,1],    "boundingVolume": {    "region": [1.886021,0.596475,1.886186,0.596644,0.000000,8.695925]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1391011.b3dm"}}}