{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949153,-0.314815,0.000000,0.000000,0.116052,-0.349891,0.929574,0.000000,-0.292376,0.881499,0.370778,0.000000,-1865670.412685,5624907.886698,2350126.357211,1],    "boundingVolume": {    "region": [1.891004,0.379790,1.891112,0.379905,0.000000,70.700160]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/20_77018.b3dm"}}}