{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950859,-0.309625,0.000000,0.000000,0.172996,-0.531272,0.829351,0.000000,-0.256247,0.786936,0.561310,0.000000,-1636104.800572,5024486.173453,3559904.808684,1],    "boundingVolume": {    "region": [1.885522,0.595859,1.885667,0.596078,0.000000,8.809759]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422285.b3dm"}}}