{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858225,-0.513273,0.000000,0.000000,0.263037,-0.439815,0.858705,0.000000,-0.439969,0.735657,0.515011,0.000000,-2808680.198455,4696291.215654,3265718.873292,1],    "boundingVolume": {    "region": [2.109709,0.540957,2.109873,0.541083,0.000000,74.128233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_465621.b3dm"}}}