{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949211,-0.314641,0.000000,0.000000,0.116539,-0.351575,0.928877,0.000000,-0.291993,0.880884,0.372538,0.000000,-1863234.292569,5621007.844418,2361288.435754,1],    "boundingVolume": {    "region": [1.890806,0.381692,1.890944,0.381792,0.000000,16.837347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68277.b3dm"}}}