{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949581,-0.313521,0.000000,0.000000,0.175014,-0.530076,0.829693,0.000000,-0.259580,0.786205,0.560802,0.000000,-1657382.493692,5019813.193121,3556674.874511,1],    "boundingVolume": {    "region": [1.889615,0.595222,1.889777,0.595487,0.000000,8.644473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1368244.b3dm"}}}