{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951026,-0.309110,0.000000,0.000000,0.172739,-0.531458,0.829285,0.000000,-0.255801,0.787012,0.561408,0.000000,-1633255.145560,5024971.475316,3560524.126369,1],    "boundingVolume": {    "region": [1.884980,0.595976,1.885126,0.596196,0.000000,8.801998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1422818.b3dm"}}}