{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951198,-0.308583,0.000000,0.000000,0.115659,-0.356516,0.927102,0.000000,-0.285816,0.881021,0.376976,0.000000,-1823843.788591,5621947.703868,2389445.671432,1],    "boundingVolume": {    "region": [1.884417,0.386478,1.884581,0.386581,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_2460.b3dm"}}}