{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950156,-0.311774,0.000000,0.000000,0.173830,-0.529763,0.830141,0.000000,-0.258274,0.787111,0.560134,0.000000,-1649038.316409,5025583.781496,3552430.300308,1],    "boundingVolume": {    "region": [1.887773,0.594482,1.887937,0.594614,0.000000,7.992251]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1378124.b3dm"}}}