{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952103,-0.305778,0.000000,0.000000,0.114542,-0.356650,0.927190,0.000000,-0.283245,0.881944,0.376759,0.000000,-1807436.847715,5627831.038223,2388071.784967,1],    "boundingVolume": {    "region": [1.881550,0.386291,1.881553,0.386300,0.000000,2.105889]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/16.b3dm"}}}