{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948838,-0.315762,0.000000,0.000000,0.176320,-0.529826,0.829575,0.000000,-0.261398,0.785479,0.560976,0.000000,-1668989.685412,5015175.523289,3557781.922382,1],    "boundingVolume": {    "region": [1.892008,0.595453,1.892104,0.595676,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181727.b3dm"}}}