{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951224,-0.308502,0.000000,0.000000,0.171236,-0.527983,0.831813,0.000000,-0.256083,0.789597,0.557637,0.000000,-1635032.195613,5041405.634820,3536557.371968,1],    "boundingVolume": {    "region": [1.884360,0.591492,1.884468,0.591580,0.000000,6.749890]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/52/41_1382917.b3dm"}}}