{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949126,-0.314897,0.000000,0.000000,0.116131,-0.350027,0.929513,0.000000,-0.292432,0.881415,0.370934,0.000000,-1866030.070082,5624374.266027,2351111.101172,1],    "boundingVolume": {    "region": [1.891090,0.379957,1.891198,0.380072,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1854.b3dm"}}}