{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950154,-0.311782,0.000000,0.000000,0.173830,-0.529745,0.830152,0.000000,-0.258285,0.787119,0.560118,0.000000,-1649106.953224,5025635.783213,3552325.576033,1],    "boundingVolume": {    "region": [1.887783,0.594463,1.887947,0.594594,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458302.b3dm"}}}