{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950204,-0.311628,0.000000,0.000000,0.174268,-0.531370,0.829021,0.000000,-0.257802,0.786079,0.561799,0.000000,-1646035.059027,5019023.493117,3563010.684159,1],    "boundingVolume": {    "region": [1.887626,0.596466,1.887778,0.596652,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398704.b3dm"}}}