{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858244,-0.513241,0.000000,0.000000,0.262534,-0.439010,0.859271,0.000000,-0.440235,0.736163,0.514059,0.000000,-2810366.153649,4699507.474280,3259676.778294,1],    "boundingVolume": {    "region": [2.109671,0.539848,2.109836,0.539973,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_326616.b3dm"}}}