{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950259,-0.311460,0.000000,0.000000,0.173986,-0.530829,0.829427,0.000000,-0.257790,0.786513,0.561196,0.000000,-1645958.018668,5021784.687031,3559179.404673,1],    "boundingVolume": {    "region": [1.887476,0.595772,1.887576,0.595889,0.000000,8.819647]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1429340.b3dm"}}}