{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949640,-0.313342,0.000000,0.000000,0.175056,-0.530540,0.829387,0.000000,-0.259335,0.785962,0.561256,0.000000,-1655820.087200,5018268.653391,3559561.560557,1],    "boundingVolume": {    "region": [1.889457,0.595862,1.889556,0.595944,0.000000,9.863081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1361749.b3dm"}}}