{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950883,-0.309550,0.000000,0.000000,0.173282,-0.532293,0.828636,0.000000,-0.255963,0.786272,0.562370,0.000000,-1634295.141022,5020265.870421,3566638.339950,1],    "boundingVolume": {    "region": [1.885434,0.597165,1.885599,0.597334,0.000000,8.790559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_1383663.b3dm"}}}