{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950206,-0.311623,0.000000,0.000000,0.174179,-0.531109,0.829208,0.000000,-0.257856,0.786259,0.561523,0.000000,-1646377.247826,5020166.370131,3561253.894336,1],    "boundingVolume": {    "region": [1.887627,0.596121,1.887766,0.596329,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432476.b3dm"}}}