{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949539,-0.313648,0.000000,0.000000,0.174968,-0.529698,0.829944,0.000000,-0.259764,0.786411,0.560429,0.000000,-1658556.989193,5021117.904951,3554300.895660,1],    "boundingVolume": {    "region": [1.889748,0.594771,1.889910,0.595036,0.000000,8.803873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1372548.b3dm"}}}