{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950065,-0.312051,0.000000,0.000000,0.174443,-0.531105,0.829154,0.000000,-0.258193,0.786091,0.561602,0.000000,-1648533.917930,5019099.416627,3561756.667354,1],    "boundingVolume": {    "region": [1.888078,0.596216,1.888216,0.596425,0.000000,8.423377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1336594.b3dm"}}}