{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950851,-0.309649,0.000000,0.000000,0.173162,-0.531737,0.829018,0.000000,-0.256163,0.786611,0.561804,0.000000,-1635573.526869,5022419.926591,3563042.125017,1],    "boundingVolume": {    "region": [1.885537,0.596480,1.885703,0.596650,0.000000,8.767975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1386430.b3dm"}}}