{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950236,-0.311531,0.000000,0.000000,0.173913,-0.530472,0.829671,0.000000,-0.257925,0.786727,0.560835,0.000000,-1646816.497405,5023142.479674,3556881.015330,1],    "boundingVolume": {    "region": [1.887550,0.595335,1.887650,0.595452,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454622.b3dm"}}}