{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950199,-0.311644,0.000000,0.000000,0.174330,-0.531531,0.828905,0.000000,-0.257778,0.785964,0.561971,0.000000,-1645884.821164,5018291.130646,3564104.114369,1],    "boundingVolume": {    "region": [1.887643,0.596674,1.887795,0.596860,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1327680.b3dm"}}}