{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951048,-0.309044,0.000000,0.000000,0.172616,-0.531206,0.829472,0.000000,-0.255805,0.787208,0.561130,0.000000,-1633278.869046,5026222.664182,3558758.677626,1],    "boundingVolume": {    "region": [1.884912,0.595641,1.885057,0.595860,0.000000,8.711283]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1340307.b3dm"}}}