{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948929,-0.315489,0.000000,0.000000,0.176211,-0.530009,0.829482,0.000000,-0.261142,0.785464,0.561116,0.000000,-1667356.456361,5015085.784829,3558668.124660,1],    "boundingVolume": {    "region": [1.891699,0.595680,1.891837,0.595787,0.000000,8.739403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_1070049.b3dm"}}}