{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871419,-0.490539,0.000000,0.000000,0.211745,-0.376154,0.902038,0.000000,-0.441929,0.785065,0.434019,0.000000,-2820461.033884,5010409.263720,2751437.698294,1],    "boundingVolume": {    "region": [2.083449,0.448909,2.083561,0.448990,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_220886.b3dm"}}}