{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949224,-0.314602,0.000000,0.000000,0.115185,-0.347538,0.930564,0.000000,-0.292493,0.882514,0.368263,0.000000,-1866404.884502,5631351.222582,2334165.549297,1],    "boundingVolume": {    "region": [1.890772,0.377091,1.890896,0.377188,0.000000,59.754290]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22877.b3dm"}}}