{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310461,0.000000,0.000000,0.173603,-0.531546,0.829048,0.000000,-0.256844,0.786420,0.561760,0.000000,-1639921.680802,5021204.269962,3562758.767257,1],    "boundingVolume": {    "region": [1.886425,0.596462,1.886523,0.596560,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390013.b3dm"}}}