{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950156,-0.311775,0.000000,0.000000,0.173894,-0.529956,0.830005,0.000000,-0.258232,0.786980,0.560338,0.000000,-1648771.521198,5024751.311028,3553722.778487,1],    "boundingVolume": {    "region": [1.887775,0.594728,1.887939,0.594859,0.000000,8.791878]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1459803.b3dm"}}}