{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949319,-0.314314,0.000000,0.000000,0.175725,-0.530739,0.829118,0.000000,-0.260054,0.785439,0.561656,0.000000,-1660415.454202,5014936.231968,3562099.415093,1],    "boundingVolume": {    "region": [1.890481,0.596345,1.890580,0.596427,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417262.b3dm"}}}