{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896618,-0.442804,0.000000,0.000000,0.282847,-0.572728,0.769403,0.000000,-0.339759,0.687965,0.641302,0.000000,-2170016.676631,4393987.566076,4068534.597405,1],    "boundingVolume": {    "region": [2.029429,0.696138,2.029612,0.696250,0.000000,37.756636]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_491684.b3dm"}}}