{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871408,-0.490558,0.000000,0.000000,0.211776,-0.376190,0.902016,0.000000,-0.441935,0.785035,0.434066,0.000000,-2820499.162049,5010222.829894,2751736.078624,1],    "boundingVolume": {    "region": [2.083470,0.448961,2.083583,0.449042,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222335.b3dm"}}}