{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949089,-0.315008,0.000000,0.000000,0.116094,-0.349781,0.929610,0.000000,-0.292566,0.881474,0.370687,0.000000,-1866884.531014,5624748.623627,2349547.218009,1],    "boundingVolume": {    "region": [1.891207,0.379691,1.891315,0.379806,0.000000,65.249220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_75899.b3dm"}}}