{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950657,-0.310243,0.000000,0.000000,0.173587,-0.531910,0.828818,0.000000,-0.256592,0.786259,0.562101,0.000000,-1638313.311356,5020180.348316,3564926.382407,1],    "boundingVolume": {    "region": [1.886162,0.596839,1.886327,0.597008,0.000000,7.794818]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1326867.b3dm"}}}