{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310774,0.000000,0.000000,0.173787,-0.531518,0.829027,0.000000,-0.257097,0.786316,0.561790,0.000000,-1641537.020838,5020538.476706,3562951.840058,1],    "boundingVolume": {    "region": [1.886755,0.596498,1.886853,0.596597,0.000000,9.154410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1330131.b3dm"}}}