{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948594,-0.316496,0.000000,0.000000,0.176662,-0.529485,0.829721,0.000000,-0.262052,0.785415,0.560760,0.000000,-1673165.362424,5014764.418316,3556409.091660,1],    "boundingVolume": {    "region": [1.892782,0.595192,1.892878,0.595416,0.000000,8.802583]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1186916.b3dm"}}}