{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949034,-0.315174,0.000000,0.000000,0.116253,-0.350054,0.929488,0.000000,-0.292681,0.881305,0.370997,0.000000,-1867623.076373,5623675.488650,2351514.992330,1],    "boundingVolume": {    "region": [1.891382,0.380025,1.891491,0.380140,0.000000,51.520736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/22_2749.b3dm"}}}