{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949281,-0.314428,0.000000,0.000000,0.175781,-0.530696,0.829134,0.000000,-0.260153,0.785423,0.561632,0.000000,-1661048.989211,5014835.389476,3561947.040878,1],    "boundingVolume": {    "region": [1.890601,0.596316,1.890699,0.596398,0.000000,8.772862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1416674.b3dm"}}}