{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950665,-0.310218,0.000000,0.000000,0.172953,-0.530016,0.830163,0.000000,-0.256992,0.787553,0.560103,0.000000,-1640854.174390,5028405.765478,3552227.959591,1],    "boundingVolume": {    "region": [1.886219,0.594510,1.886219,0.594510,0.000000,7.070808]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10.b3dm"}}}