{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315015,0.000000,0.000000,0.115917,-0.349240,0.929836,0.000000,-0.292644,0.881688,0.370116,0.000000,-1867382.287059,5626106.518114,2345922.125311,1],    "boundingVolume": {    "region": [1.891215,0.379076,1.891323,0.379191,0.000000,71.377975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/14_6390.b3dm"}}}