{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898391,-0.439196,0.000000,0.000000,0.284154,-0.581247,0.762501,0.000000,-0.333944,0.683093,0.649511,0.000000,-2132953.180684,4363028.312606,4120762.671156,1],    "boundingVolume": {    "region": [2.025450,0.706904,2.025551,0.706979,0.000000,9.157454]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1802221.b3dm"}}}