{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944529,-0.328428,0.000000,0.000000,0.183038,-0.526400,0.830301,0.000000,-0.272123,0.782602,0.559896,0.000000,-1737461.768016,4996786.754455,3550915.656288,1],    "boundingVolume": {    "region": [1.905353,0.594126,1.905517,0.594395,0.000000,8.584885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_661921.b3dm"}}}