{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949201,-0.314669,0.000000,0.000000,0.116556,-0.351591,0.928869,0.000000,-0.292016,0.880867,0.372558,0.000000,-1863381.114645,5620904.311217,2361418.156474,1],    "boundingVolume": {    "region": [1.890835,0.381714,1.890973,0.381814,0.000000,26.309410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68375.b3dm"}}}