{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949034,-0.315175,0.000000,0.000000,0.175789,-0.529325,0.830008,0.000000,-0.261049,0.786054,0.560333,0.000000,-1666759.093987,5018835.293538,3553691.988193,1],    "boundingVolume": {    "region": [1.891390,0.594692,1.891485,0.594883,0.000000,15.708664]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/27_1212678.b3dm"}}}