{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949389,-0.314102,0.000000,0.000000,0.175377,-0.530087,0.829609,0.000000,-0.260034,0.785967,0.560927,0.000000,-1660281.795549,5018290.736389,3557465.659272,1],    "boundingVolume": {    "region": [1.890226,0.595372,1.890388,0.595638,0.000000,8.728997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367319.b3dm"}}}