{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949861,-0.312673,0.000000,0.000000,0.174764,-0.530909,0.829212,0.000000,-0.258727,0.785978,0.561516,0.000000,-1651938.316815,5018371.388273,3561208.825114,1],    "boundingVolume": {    "region": [1.888717,0.596114,1.888888,0.596319,0.000000,20.649493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437472.b3dm"}}}