{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949921,-0.312490,0.000000,0.000000,0.174202,-0.529547,0.830201,0.000000,-0.258886,0.786973,0.560045,0.000000,-1652948.927594,5024702.477710,3551863.279214,1],    "boundingVolume": {    "region": [1.888528,0.594375,1.888692,0.594506,0.000000,8.809550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_1378774.b3dm"}}}