{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950335,-0.311229,0.000000,0.000000,0.173585,-0.530041,0.830015,0.000000,-0.257783,0.787138,0.560322,0.000000,-1645903.756011,5025760.597935,3553625.577806,1],    "boundingVolume": {    "region": [1.887232,0.594717,1.887332,0.594834,0.000000,8.323864]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1459731.b3dm"}}}