{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950593,-0.310441,0.000000,0.000000,0.173796,-0.532178,0.828602,0.000000,-0.256689,0.785999,0.562420,0.000000,-1638930.739731,5018527.312393,3566955.767862,1],    "boundingVolume": {    "region": [1.886404,0.597260,1.886502,0.597359,0.000000,16.219006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1385139.b3dm"}}}