{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950214,-0.311599,0.000000,0.000000,0.173757,-0.529867,0.830090,0.000000,-0.258113,0.787110,0.560211,0.000000,-1648013.835193,5025574.556765,3552915.463814,1],    "boundingVolume": {    "region": [1.887590,0.594575,1.887754,0.594706,0.000000,8.815362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458915.b3dm"}}}