{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950037,-0.312138,0.000000,0.000000,0.174279,-0.530444,0.829612,0.000000,-0.258409,0.786505,0.560923,0.000000,-1649905.469064,5021730.588481,3557439.328353,1],    "boundingVolume": {    "region": [1.888157,0.595434,1.888321,0.595565,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1456933.b3dm"}}}