{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950199,-0.311644,0.000000,0.000000,0.174179,-0.531071,0.829232,0.000000,-0.257881,0.786276,0.561487,0.000000,-1646536.169035,5020277.918772,3561024.710553,1],    "boundingVolume": {    "region": [1.887649,0.596077,1.887788,0.596286,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1342074.b3dm"}}}