{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949882,-0.312608,0.000000,0.000000,0.174727,-0.530921,0.829212,0.000000,-0.258672,0.785995,0.561516,0.000000,-1651590.762150,5018485.165627,3561209.688378,1],    "boundingVolume": {    "region": [1.888648,0.596114,1.888819,0.596319,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1348495.b3dm"}}}