{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950661,-0.310232,0.000000,0.000000,0.173579,-0.531907,0.828822,0.000000,-0.256584,0.786266,0.562095,0.000000,-1638262.658718,5020222.700533,3564890.262196,1],    "boundingVolume": {    "region": [1.886150,0.596832,1.886316,0.597001,0.000000,8.290334]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1326885.b3dm"}}}