{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950435,-0.310923,0.000000,0.000000,0.173443,-0.530184,0.829953,0.000000,-0.257510,0.787162,0.560415,0.000000,-1644162.285860,5025913.278798,3554211.799943,1],    "boundingVolume": {    "region": [1.886869,0.594813,1.887051,0.594959,0.000000,8.810721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1449084.b3dm"}}}