{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952842,-0.303466,0.000000,0.000000,0.113649,-0.356842,0.927226,0.000000,-0.281115,0.882663,0.376670,0.000000,-1793844.702050,5632420.998949,2387502.918927,1],    "boundingVolume": {    "region": [1.879038,0.386147,1.879212,0.386250,0.000000,5.860261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15_32634.b3dm"}}}