{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952844,-0.303459,0.000000,0.000000,0.113670,-0.356917,0.927194,0.000000,-0.281099,0.882635,0.376748,0.000000,-1793739.893987,5632243.457806,2387997.117160,1],    "boundingVolume": {    "region": [1.879030,0.386232,1.879204,0.386334,0.000000,19.660774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/15_35956.b3dm"}}}