{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950910,-0.309467,0.000000,0.000000,0.173074,-0.531812,0.828988,0.000000,-0.256004,0.786631,0.561848,0.000000,-1634554.578648,5022552.396492,3563321.094289,1],    "boundingVolume": {    "region": [1.885346,0.596534,1.885512,0.596703,0.000000,8.765336]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386501.b3dm"}}}