{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950681,-0.310169,0.000000,0.000000,0.173537,-0.531898,0.828836,0.000000,-0.256537,0.786296,0.562074,0.000000,-1637960.342920,5020418.208232,3564754.763460,1],    "boundingVolume": {    "region": [1.886085,0.596806,1.886250,0.596975,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396492.b3dm"}}}