{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950680,-0.310173,0.000000,0.000000,0.173312,-0.531202,0.829329,0.000000,-0.256694,0.786768,0.561342,0.000000,-1638959.169205,5023412.754441,3560105.334186,1],    "boundingVolume": {    "region": [1.886113,0.595949,1.886229,0.596064,0.000000,8.808873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426634.b3dm"}}}