{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950389,-0.311065,0.000000,0.000000,0.174051,-0.531773,0.828808,0.000000,-0.257269,0.786028,0.562115,0.000000,-1642637.780201,5018702.140790,3565017.101446,1],    "boundingVolume": {    "region": [1.887061,0.596891,1.887159,0.596990,0.000000,8.736607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1396850.b3dm"}}}