{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950550,-0.310573,0.000000,0.000000,0.173887,-0.532205,0.828566,0.000000,-0.256786,0.785928,0.562474,0.000000,-1639554.169118,5018076.444908,3567301.236754,1],    "boundingVolume": {    "region": [1.886543,0.597326,1.886641,0.597425,0.000000,12.185541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1385253.b3dm"}}}