{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949099,-0.314978,0.000000,0.000000,0.176151,-0.530784,0.828999,0.000000,-0.260566,0.785143,0.561832,0.000000,-1663682.255340,5013051.876623,3563219.831310,1],    "boundingVolume": {    "region": [1.891179,0.596588,1.891280,0.596610,0.000000,7.829195]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1419179.b3dm"}}}