{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950077,-0.312016,0.000000,0.000000,0.174426,-0.531121,0.829148,0.000000,-0.258163,0.786095,0.561611,0.000000,-1648337.162862,5019121.805428,3561815.780165,1],    "boundingVolume": {    "region": [1.888042,0.596227,1.888180,0.596436,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1397115.b3dm"}}}