{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950818,-0.309751,0.000000,0.000000,0.173150,-0.531505,0.829169,0.000000,-0.256295,0.786728,0.561580,0.000000,-1636415.097191,5023164.320969,3561615.671733,1],    "boundingVolume": {    "region": [1.885655,0.596184,1.885801,0.596404,0.000000,8.813563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1423690.b3dm"}}}