{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951884,-0.306458,0.000000,0.000000,0.112661,-0.349935,0.929975,0.000000,-0.284738,0.884420,0.369764,0.000000,-1816931.747733,5643535.966374,2343687.950642,1],    "boundingVolume": {    "region": [1.882184,0.378694,1.882348,0.378815,0.000000,10.142712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_46557.b3dm"}}}