{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950890,-0.309530,0.000000,0.000000,0.173023,-0.531533,0.829178,0.000000,-0.256115,0.786796,0.561567,0.000000,-1635261.802551,5023595.795544,3561537.342123,1],    "boundingVolume": {    "region": [1.885422,0.596169,1.885568,0.596389,0.000000,8.811499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1423634.b3dm"}}}