{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949089,-0.315008,0.000000,0.000000,0.116116,-0.349846,0.929583,0.000000,-0.292557,0.881448,0.370756,0.000000,-1866829.877924,5624583.149214,2349983.795216,1],    "boundingVolume": {    "region": [1.891207,0.379765,1.891315,0.379881,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76703.b3dm"}}}