{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949320,-0.314310,0.000000,0.000000,0.175723,-0.530743,0.829116,0.000000,-0.260051,0.785438,0.561658,0.000000,-1660392.690748,5014932.128846,3562115.692716,1],    "boundingVolume": {    "region": [1.890477,0.596348,1.890576,0.596430,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417345.b3dm"}}}