{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951299,-0.308271,0.000000,0.000000,0.171113,-0.528042,0.831801,0.000000,-0.255887,0.789647,0.557655,0.000000,-1633784.110524,5041729.960739,3536671.056874,1],    "boundingVolume": {    "region": [1.884117,0.591514,1.884225,0.591602,0.000000,6.315920]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/50/41_1382932.b3dm"}}}