{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897652,-0.440706,0.000000,0.000000,0.285503,-0.581526,0.761785,0.000000,-0.334774,0.681885,0.650353,0.000000,-2138265.539118,4355325.570947,4126118.310152,1],    "boundingVolume": {    "region": [2.027105,0.707935,2.027257,0.708163,0.000000,11.320748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796741.b3dm"}}}