{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949583,-0.313515,0.000000,0.000000,0.175077,-0.530278,0.829550,0.000000,-0.259530,0.786071,0.561014,0.000000,-1657063.005336,5018959.802769,3558018.780471,1],    "boundingVolume": {    "region": [1.889639,0.595569,1.889738,0.595651,0.000000,8.613871]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1366585.b3dm"}}}