{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949226,-0.314596,0.000000,0.000000,0.175432,-0.529328,0.830082,0.000000,-0.260593,0.786283,0.560223,0.000000,-1663844.122567,5020299.933728,3552993.819071,1],    "boundingVolume": {    "region": [1.890779,0.594560,1.890874,0.594750,0.000000,9.689076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/26_1380415.b3dm"}}}