{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949731,-0.313068,0.000000,0.000000,0.174897,-0.530571,0.829400,0.000000,-0.259113,0.786050,0.561236,0.000000,-1654400.541500,5018828.222369,3559433.551353,1],    "boundingVolume": {    "region": [1.889142,0.595795,1.889295,0.595963,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1352068.b3dm"}}}