{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312178,0.000000,0.000000,0.174084,-0.529773,0.830082,0.000000,-0.258590,0.786944,0.560223,0.000000,-1651059.407062,5024519.140316,3552993.669745,1],    "boundingVolume": {    "region": [1.888199,0.594589,1.888363,0.594721,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460999.b3dm"}}}