{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950437,-0.310917,0.000000,0.000000,0.173325,-0.529834,0.830202,0.000000,-0.257583,0.787401,0.560045,0.000000,-1644629.638631,5027434.497428,3551859.206356,1],    "boundingVolume": {    "region": [1.886952,0.594437,1.886957,0.594442,0.000000,7.705807]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1.b3dm"}}}