{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949176,-0.314746,0.000000,0.000000,0.175940,-0.530579,0.829175,0.000000,-0.260430,0.785375,0.561571,0.000000,-1662815.494179,5014527.157704,3561559.360614,1],    "boundingVolume": {    "region": [1.890917,0.596230,1.891054,0.596336,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447526.b3dm"}}}