{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949089,-0.315007,0.000000,0.000000,0.176172,-0.530792,0.828989,0.000000,-0.260587,0.785126,0.561847,0.000000,-1663818.555580,5012940.194594,3563312.684921,1],    "boundingVolume": {    "region": [1.891210,0.596606,1.891311,0.596627,0.000000,11.992885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_1420610.b3dm"}}}