{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852833,-0.522183,0.000000,0.000000,0.269476,-0.440110,0.856554,0.000000,-0.446475,0.729186,0.518602,0.000000,-2850244.492026,4655042.560402,3288530.500438,1],    "boundingVolume": {    "region": [2.120116,0.545130,2.120294,0.545299,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21573.b3dm"}}}