{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949079,-0.315038,0.000000,0.000000,0.176190,-0.530789,0.828987,0.000000,-0.260612,0.785116,0.561849,0.000000,-1663977.506553,5012875.924561,3563328.769716,1],    "boundingVolume": {    "region": [1.891242,0.596609,1.891344,0.596630,0.000000,9.660840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_1338477.b3dm"}}}