{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852845,-0.522164,0.000000,0.000000,0.269358,-0.439940,0.856679,0.000000,-0.446524,0.729303,0.518395,0.000000,-2850558.720822,4655785.277433,3287215.306473,1],    "boundingVolume": {    "region": [2.120106,0.544924,2.120260,0.545021,0.000000,98.780900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_21104.b3dm"}}}