{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950687,-0.310151,0.000000,0.000000,0.173468,-0.531719,0.828965,0.000000,-0.256563,0.786425,0.561882,0.000000,-1638122.939961,5021235.106802,3563537.471387,1],    "boundingVolume": {    "region": [1.886066,0.596575,1.886231,0.596744,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1394143.b3dm"}}}