{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950021,-0.312186,0.000000,0.000000,0.174727,-0.531715,0.828703,0.000000,-0.258163,0.785623,0.562270,0.000000,-1648345.144005,5016124.159691,3566004.241147,1],    "boundingVolume": {    "region": [1.888220,0.597024,1.888358,0.597233,0.000000,8.301241]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1331849.b3dm"}}}