{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858539,-0.512749,0.000000,0.000000,0.262414,-0.439382,0.859117,0.000000,-0.439733,0.736283,0.514318,0.000000,-2807164.720508,4700275.515853,3261316.507362,1],    "boundingVolume": {    "region": [2.109097,0.540149,2.109262,0.540274,0.000000,14.210500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_239775.b3dm"}}}