{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949037,-0.315164,0.000000,0.000000,0.175954,-0.529840,0.829645,0.000000,-0.260925,0.785709,0.560873,0.000000,-1665970.517845,5016646.867318,3557126.952378,1],    "boundingVolume": {    "region": [1.891357,0.595387,1.891495,0.595494,0.000000,8.713676]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1072054.b3dm"}}}