{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948716,-0.316129,0.000000,0.000000,0.176488,-0.529647,0.829654,0.000000,-0.261727,0.785453,0.560859,0.000000,-1671092.037067,5015008.708542,3557035.165797,1],    "boundingVolume": {    "region": [1.892395,0.595311,1.892491,0.595535,0.000000,8.794362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1072308.b3dm"}}}