{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950307,-0.311315,0.000000,0.000000,0.174041,-0.531268,0.829134,0.000000,-0.257578,0.786272,0.561631,0.000000,-1644608.205322,5020252.736641,3561944.815437,1],    "boundingVolume": {    "region": [1.887297,0.596264,1.887449,0.596449,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397378.b3dm"}}}