{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314963,0.000000,0.000000,0.175997,-0.530345,0.829313,0.000000,-0.260653,0.785447,0.561367,0.000000,-1664237.716344,5014983.623029,3560260.871157,1],    "boundingVolume": {    "region": [1.891145,0.595983,1.891283,0.596089,0.000000,9.901489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360159.b3dm"}}}