{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949426,-0.313992,0.000000,0.000000,0.175539,-0.530780,0.829131,0.000000,-0.259792,0.785540,0.561636,0.000000,-1658742.687150,5015580.077323,3561973.102740,1],    "boundingVolume": {    "region": [1.890142,0.596321,1.890241,0.596403,0.000000,11.087442]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409231.b3dm"}}}