{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949605,-0.313448,0.000000,0.000000,0.175045,-0.530308,0.829537,0.000000,-0.259470,0.786077,0.561033,0.000000,-1656682.992005,5018998.517507,3558140.309832,1],    "boundingVolume": {    "region": [1.889569,0.595592,1.889668,0.595674,0.000000,8.526170]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1366276.b3dm"}}}