{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950921,-0.309434,0.000000,0.000000,0.173072,-0.531866,0.828954,0.000000,-0.255966,0.786607,0.561899,0.000000,-1634313.407695,5022397.968580,3563647.167680,1],    "boundingVolume": {    "region": [1.885312,0.596596,1.885477,0.596765,0.000000,8.811837]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/2_1386847.b3dm"}}}