{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949212,-0.314637,0.000000,0.000000,0.175532,-0.529554,0.829916,0.000000,-0.260575,0.786114,0.560470,0.000000,-1663730.417770,5019221.344897,3554560.019464,1],    "boundingVolume": {    "region": [1.890823,0.594857,1.890918,0.595048,0.000000,8.776129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1372110.b3dm"}}}