{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897964,-0.440069,0.000000,0.000000,0.281343,-0.574081,0.768946,0.000000,-0.337458,0.688585,0.641851,0.000000,-2155327.609091,4397956.381550,4072029.432999,1],    "boundingVolume": {    "region": [2.026426,0.696882,2.026519,0.696938,0.000000,44.441145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_750990.b3dm"}}}