{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948721,-0.316115,0.000000,0.000000,0.176480,-0.529651,0.829654,0.000000,-0.261715,0.785456,0.560860,0.000000,-1671012.450010,5015029.305778,3557043.459152,1],    "boundingVolume": {    "region": [1.892380,0.595313,1.892476,0.595536,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180910.b3dm"}}}