{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315046,0.000000,0.000000,0.116203,-0.350062,0.929491,0.000000,-0.292563,0.881348,0.370989,0.000000,-1866867.615090,5623948.153416,2351463.126553,1],    "boundingVolume": {    "region": [1.891247,0.380016,1.891355,0.380132,0.000000,71.898350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_2599.b3dm"}}}