{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950320,-0.311276,0.000000,0.000000,0.173652,-0.530157,0.829927,0.000000,-0.257794,0.787041,0.560453,0.000000,-1645978.814222,5025143.222195,3554458.181327,1],    "boundingVolume": {    "region": [1.887282,0.594875,1.887381,0.594992,0.000000,8.808776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452502.b3dm"}}}