{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949057,-0.315106,0.000000,0.000000,0.115766,-0.348672,0.930068,0.000000,-0.292803,0.881882,0.369527,0.000000,-1868390.089568,5627339.065460,2342185.592632,1],    "boundingVolume": {    "region": [1.891312,0.378465,1.891417,0.378535,0.000000,32.882656]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/15_9496.b3dm"}}}