{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949600,-0.313463,0.000000,0.000000,0.175239,-0.530868,0.829138,0.000000,-0.259357,0.785691,0.561625,0.000000,-1655961.683692,5016547.025537,3561905.848076,1],    "boundingVolume": {    "region": [1.889585,0.596308,1.889683,0.596390,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1408955.b3dm"}}}