{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.890902,-0.454196,0.000000,0.000000,0.292205,-0.573157,0.765577,0.000000,-0.346753,0.680153,0.645875,0.000000,-2214733.200870,4344177.195967,4097627.734699,1],    "boundingVolume": {    "region": [2.042219,0.702126,2.042314,0.702212,0.000000,7.548518]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/3_1683421.b3dm"}}}