{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949469,-0.313860,0.000000,0.000000,0.175478,-0.530844,0.829103,0.000000,-0.259674,0.785549,0.561678,0.000000,-1657990.739853,5015639.552213,3562237.651499,1],    "boundingVolume": {    "region": [1.890003,0.596371,1.890102,0.596453,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410974.b3dm"}}}