{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949993,-0.312272,0.000000,0.000000,0.174457,-0.530731,0.829391,0.000000,-0.258450,0.786258,0.561251,0.000000,-1650173.159044,5020154.647248,3559524.767487,1],    "boundingVolume": {    "region": [1.888294,0.595794,1.888465,0.595999,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433773.b3dm"}}}