{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950694,-0.310130,0.000000,0.000000,0.173440,-0.531676,0.828999,0.000000,-0.256555,0.786463,0.561833,0.000000,-1638077.506694,5021474.891423,3563222.585704,1],    "boundingVolume": {    "region": [1.886044,0.596515,1.886209,0.596684,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392310.b3dm"}}}