{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948890,-0.315608,0.000000,0.000000,0.176342,-0.530180,0.829345,0.000000,-0.261197,0.785301,0.561319,0.000000,-1667709.710601,5014045.436957,3559959.623314,1],    "boundingVolume": {    "region": [1.891825,0.595926,1.891962,0.596032,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068962.b3dm"}}}