{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950645,-0.310279,0.000000,0.000000,0.173595,-0.531866,0.828845,0.000000,-0.256631,0.786275,0.562061,0.000000,-1638560.490851,5020281.002457,3564672.735284,1],    "boundingVolume": {    "region": [1.886201,0.596791,1.886366,0.596960,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1327123.b3dm"}}}