{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.315000,0.000000,0.000000,0.116155,-0.349975,0.929530,0.000000,-0.292533,0.881399,0.370891,0.000000,-1866673.208586,5624274.671070,2350840.625101,1],    "boundingVolume": {    "region": [1.891198,0.379911,1.891307,0.380026,0.000000,70.386220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_1267.b3dm"}}}