{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949290,-0.314403,0.000000,0.000000,0.175771,-0.530712,0.829125,0.000000,-0.260130,0.785422,0.561645,0.000000,-1660901.663275,5014825.684312,3562028.852088,1],    "boundingVolume": {    "region": [1.890575,0.596331,1.890674,0.596413,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417029.b3dm"}}}