{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950625,-0.310341,0.000000,0.000000,0.172004,-0.526876,0.832356,0.000000,-0.257779,0.789620,0.556822,0.000000,-1645860.886931,5041537.298776,3531377.837370,1],    "boundingVolume": {    "region": [1.886263,0.590493,1.886433,0.590616,0.000000,6.715825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/18_1322387.b3dm"}}}