{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871438,-0.490505,0.000000,0.000000,0.211729,-0.376162,0.902038,0.000000,-0.441898,0.785082,0.434019,0.000000,-2820263.016836,5010522.075462,2751435.257989,1],    "boundingVolume": {    "region": [2.083409,0.448909,2.083522,0.448989,0.000000,21.004456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_211488.b3dm"}}}