{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950115,-0.311901,0.000000,0.000000,0.173881,-0.529679,0.830184,0.000000,-0.258393,0.787118,0.560070,0.000000,-1649796.678826,5025624.181060,3552023.750963,1],    "boundingVolume": {    "region": [1.887907,0.594405,1.888071,0.594536,0.000000,8.674643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458122.b3dm"}}}