{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950070,-0.312036,0.000000,0.000000,0.174428,-0.531091,0.829167,0.000000,-0.258185,0.786107,0.561583,0.000000,-1648477.679982,5019202.505825,3561638.221448,1],    "boundingVolume": {    "region": [1.888062,0.596194,1.888200,0.596402,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432958.b3dm"}}}