{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951725,-0.306951,0.000000,0.000000,0.113070,-0.350582,0.929681,0.000000,-0.285105,0.883991,0.370507,0.000000,-1819274.674766,5640805.843651,2348406.326745,1],    "boundingVolume": {    "region": [1.882781,0.379554,1.882786,0.379556,0.000000,4.125557]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/20.b3dm"}}}