{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949101,-0.314973,0.000000,0.000000,0.116129,-0.349928,0.929551,0.000000,-0.292514,0.881427,0.370839,0.000000,-1866556.558871,5624453.108413,2350508.552071,1],    "boundingVolume": {    "region": [1.891170,0.379854,1.891279,0.379970,0.000000,68.927894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/21_583.b3dm"}}}