{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949414,-0.314029,0.000000,0.000000,0.175147,-0.529529,0.830014,0.000000,-0.260102,0.786374,0.560324,0.000000,-1660709.324156,5020879.682862,3553636.830199,1],    "boundingVolume": {    "region": [1.890149,0.594644,1.890311,0.594910,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379728.b3dm"}}}