{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952829,-0.303509,0.000000,0.000000,0.113684,-0.356899,0.927200,0.000000,-0.281146,0.882626,0.376734,0.000000,-1794043.254100,5632182.713705,2387913.062528,1],    "boundingVolume": {    "region": [1.879082,0.386217,1.879256,0.386320,0.000000,19.660774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15_34847.b3dm"}}}