{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949602,-0.313459,0.000000,0.000000,0.175217,-0.530807,0.829182,0.000000,-0.259367,0.785734,0.561561,0.000000,-1656029.670698,5016816.736618,3561497.102611,1],    "boundingVolume": {    "region": [1.889581,0.596230,1.889680,0.596312,0.000000,12.700957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444343.b3dm"}}}