{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944562,-0.328333,0.000000,0.000000,0.182984,-0.526416,0.830303,0.000000,-0.272045,0.782631,0.559893,0.000000,-1736966.800055,4996971.089666,3550898.526752,1],    "boundingVolume": {    "region": [1.905253,0.594123,1.905417,0.594392,0.000000,9.742684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_950950.b3dm"}}}