{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949782,-0.312912,0.000000,0.000000,0.175060,-0.531361,0.828860,0.000000,-0.258813,0.785576,0.562038,0.000000,-1652493.800613,5015815.239975,3564528.326622,1],    "boundingVolume": {    "region": [1.888968,0.596745,1.889139,0.596950,0.000000,8.554820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1408491.b3dm"}}}