{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894682,-0.446703,0.000000,0.000000,0.284603,-0.570018,0.770766,0.000000,-0.343362,0.687706,0.639658,0.000000,-2193018.245666,4392301.243688,4058079.136118,1],    "boundingVolume": {    "region": [2.033806,0.693992,2.033940,0.694116,0.000000,37.493128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_984766.b3dm"}}}