{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950050,-0.312099,0.000000,0.000000,0.174053,-0.529827,0.830053,0.000000,-0.258516,0.786939,0.560265,0.000000,-1650583.895109,5024483.932731,3553262.572731,1],    "boundingVolume": {    "region": [1.888116,0.594641,1.888280,0.594772,0.000000,12.431430]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459543.b3dm"}}}