{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950212,-0.311604,0.000000,0.000000,0.174264,-0.531406,0.828999,0.000000,-0.257775,0.786064,0.561832,0.000000,-1645861.928284,5018931.260627,3563219.173222,1],    "boundingVolume": {    "region": [1.887601,0.596506,1.887753,0.596691,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399172.b3dm"}}}