{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942103,-0.335323,0.000000,0.000000,0.187728,-0.527429,0.828599,0.000000,-0.277262,0.778977,0.562424,0.000000,-1770289.212357,4973689.531651,3566983.462336,1],    "boundingVolume": {    "region": [1.912683,0.597284,1.912807,0.597346,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9_1288582.b3dm"}}}