{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950269,-0.311431,0.000000,0.000000,0.173933,-0.530721,0.829507,0.000000,-0.257791,0.786597,0.561078,0.000000,-1645961.159385,5022321.183390,3558425.945859,1],    "boundingVolume": {    "region": [1.887445,0.595629,1.887544,0.595746,0.000000,8.820970]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1428492.b3dm"}}}