{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949226,-0.314594,0.000000,0.000000,0.115946,-0.349844,0.929605,0.000000,-0.292180,0.881596,0.370701,0.000000,-1864423.564133,5625528.031539,2349634.743680,1],    "boundingVolume": {    "region": [1.890771,0.379706,1.890880,0.379821,0.000000,37.907116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/20_76043.b3dm"}}}