{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898019,-0.439956,0.000000,0.000000,0.284390,-0.580486,0.762993,0.000000,-0.334739,0.683255,0.648932,0.000000,-2138025.127103,4364048.580460,4117077.055889,1],    "boundingVolume": {    "region": [2.026280,0.706069,2.026412,0.706291,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820599.b3dm"}}}