{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943121,-0.332450,0.000000,0.000000,0.186285,-0.528469,0.828262,0.000000,-0.274773,0.779498,0.562923,0.000000,-1754401.177882,4977029.015684,3570152.479287,1],    "boundingVolume": {    "region": [1.909634,0.597878,1.909759,0.597958,0.000000,8.816659]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1284829.b3dm"}}}