{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942700,-0.333640,0.000000,0.000000,0.186973,-0.528292,0.828220,0.000000,-0.275743,0.779111,0.562985,0.000000,-1760594.198648,4974554.545621,3570549.825923,1],    "boundingVolume": {    "region": [1.910897,0.597962,1.911021,0.598025,0.000000,8.482968]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/21_1285269.b3dm"}}}