{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949648,-0.313318,0.000000,0.000000,0.174853,-0.529967,0.829796,0.000000,-0.259444,0.786360,0.560649,0.000000,-1656515.569573,5020796.116537,3555697.786189,1],    "boundingVolume": {    "region": [1.889401,0.595036,1.889563,0.595302,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1369785.b3dm"}}}