{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950059,-0.312069,0.000000,0.000000,0.174037,-0.529837,0.830050,0.000000,-0.258490,0.786944,0.560270,0.000000,-1650419.138141,5024517.933676,3553290.833149,1],    "boundingVolume": {    "region": [1.888084,0.594646,1.888248,0.594777,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459566.b3dm"}}}