{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950255,-0.311474,0.000000,0.000000,0.173687,-0.529889,0.830091,0.000000,-0.258010,0.787144,0.560210,0.000000,-1647352.984138,5025796.033455,3552908.698426,1],    "boundingVolume": {    "region": [1.887458,0.594573,1.887622,0.594705,0.000000,8.815362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1458905.b3dm"}}}