{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312123,0.000000,0.000000,0.174067,-0.529826,0.830051,0.000000,-0.258535,0.786930,0.560269,0.000000,-1650707.065841,5024429.204920,3553282.606808,1],    "boundingVolume": {    "region": [1.888141,0.594644,1.888305,0.594776,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459559.b3dm"}}}