{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897706,-0.440596,0.000000,0.000000,0.282921,-0.576446,0.766594,0.000000,-0.336820,0.686265,0.644665,0.000000,-2151279.214307,4383193.697629,4089927.549550,1],    "boundingVolume": {    "region": [2.026995,0.700550,2.027122,0.700619,0.000000,16.562030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857973.b3dm"}}}