{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950157,-0.311773,0.000000,0.000000,0.173830,-0.529764,0.830140,0.000000,-0.258273,0.787110,0.560136,0.000000,-1649030.369553,5025578.702805,3552441.101185,1],    "boundingVolume": {    "region": [1.887772,0.594485,1.887936,0.594616,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458389.b3dm"}}}