{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949269,-0.314466,0.000000,0.000000,0.116213,-0.350808,0.929209,0.000000,-0.291935,0.881255,0.371703,0.000000,-1862862.322493,5623368.073981,2355991.967439,1],    "boundingVolume": {    "region": [1.890621,0.380793,1.890759,0.380893,0.000000,15.100712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_71893.b3dm"}}}