{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950588,-0.310457,0.000000,0.000000,0.173233,-0.530422,0.829845,0.000000,-0.257090,0.787185,0.560575,0.000000,-1641483.840220,5026061.898070,3555232.638467,1],    "boundingVolume": {    "region": [1.886378,0.595007,1.886561,0.595153,0.000000,8.807318]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1449664.b3dm"}}}