{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949483,-0.313819,0.000000,0.000000,0.175452,-0.530843,0.829109,0.000000,-0.259642,0.785566,0.561669,0.000000,-1657782.813437,5015748.870492,3562180.881756,1],    "boundingVolume": {    "region": [1.889959,0.596360,1.890058,0.596442,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410683.b3dm"}}}