{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950914,-0.309456,0.000000,0.000000,0.173001,-0.531607,0.829135,0.000000,-0.256041,0.786775,0.561630,0.000000,-1634788.525894,5023464.305001,3561937.361443,1],    "boundingVolume": {    "region": [1.885345,0.596245,1.885490,0.596465,0.000000,8.705732]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1385787.b3dm"}}}