{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950323,-0.311265,0.000000,0.000000,0.174018,-0.531295,0.829122,0.000000,-0.257533,0.786274,0.561650,0.000000,-1644319.178051,5020264.597308,3562060.752470,1],    "boundingVolume": {    "region": [1.887245,0.596286,1.887396,0.596471,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397564.b3dm"}}}