{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949308,-0.314346,0.000000,0.000000,0.175744,-0.530738,0.829115,0.000000,-0.260080,0.785427,0.561661,0.000000,-1660579.563748,5014859.880380,3562130.198191,1],    "boundingVolume": {    "region": [1.890515,0.596351,1.890614,0.596432,0.000000,8.724624]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417380.b3dm"}}}