{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950134,-0.311842,0.000000,0.000000,0.173883,-0.529795,0.830109,0.000000,-0.258321,0.787062,0.560182,0.000000,-1649337.122271,5025270.095458,3552733.281410,1],    "boundingVolume": {    "region": [1.887846,0.594540,1.888010,0.594671,0.000000,8.343381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1377909.b3dm"}}}