{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951998,-0.306104,0.000000,0.000000,0.169618,-0.527521,0.832437,0.000000,-0.254284,0.790838,0.556700,0.000000,-1623546.277269,5049312.945712,3530603.199800,1],    "boundingVolume": {    "region": [1.881840,0.590364,1.881948,0.590452,0.000000,8.509643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/28/27_1322860.b3dm"}}}