{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949593,-0.313486,0.000000,0.000000,0.175260,-0.530887,0.829122,0.000000,-0.259370,0.785670,0.561650,0.000000,-1656048.730138,5016408.310601,3562059.699928,1],    "boundingVolume": {    "region": [1.889608,0.596337,1.889707,0.596419,0.000000,11.385869]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_1409784.b3dm"}}}