{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315044,0.000000,0.000000,0.116179,-0.349993,0.929520,0.000000,-0.292571,0.881376,0.370916,0.000000,-1866914.828684,5624126.684399,2351001.710697,1],    "boundingVolume": {    "region": [1.891245,0.379938,1.891353,0.380053,0.000000,70.268280]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_1641.b3dm"}}}