{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950680,-0.310173,0.000000,0.000000,0.173503,-0.531787,0.828915,0.000000,-0.256565,0.786371,0.561957,0.000000,-1638137.515773,5020890.283534,3564013.391246,1],    "boundingVolume": {    "region": [1.886089,0.596665,1.886254,0.596834,0.000000,8.782089]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1395080.b3dm"}}}