{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949301,-0.314368,0.000000,0.000000,0.175752,-0.530720,0.829125,0.000000,-0.260101,0.785431,0.561646,0.000000,-1660714.588873,5014882.466209,3562036.086185,1],    "boundingVolume": {    "region": [1.890538,0.596333,1.890637,0.596415,0.000000,8.680535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338129.b3dm"}}}