{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950270,-0.311426,0.000000,0.000000,0.173876,-0.530557,0.829625,0.000000,-0.257824,0.786711,0.560903,0.000000,-1646170.999149,5023042.978072,3557317.369168,1],    "boundingVolume": {    "region": [1.887440,0.595418,1.887540,0.595535,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455261.b3dm"}}}