{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949297,-0.314380,0.000000,0.000000,0.175749,-0.530688,0.829146,0.000000,-0.260118,0.785447,0.561615,0.000000,-1660822.714635,5014988.687700,3561837.458957,1],    "boundingVolume": {    "region": [1.890551,0.596295,1.890650,0.596377,0.000000,8.812643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1416094.b3dm"}}}