{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949541,-0.313644,0.000000,0.000000,0.175326,-0.530791,0.829169,0.000000,-0.259516,0.785672,0.561579,0.000000,-1656978.412642,5016420.060441,3561613.786844,1],    "boundingVolume": {    "region": [1.889775,0.596252,1.889874,0.596334,0.000000,8.657915]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1444672.b3dm"}}}