{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950016,-0.312202,0.000000,0.000000,0.174084,-0.529730,0.830109,0.000000,-0.258618,0.786963,0.560183,0.000000,-1651237.515868,5024641.489551,3552739.578154,1],    "boundingVolume": {    "region": [1.888224,0.594541,1.888388,0.594672,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460481.b3dm"}}}