{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942104,-0.335321,0.000000,0.000000,0.187725,-0.527423,0.828604,0.000000,-0.277261,0.778982,0.562417,0.000000,-1770286.388760,4973722.009884,3566939.870428,1],    "boundingVolume": {    "region": [1.912680,0.597275,1.912805,0.597338,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9_1265394.b3dm"}}}