{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951978,-0.306168,0.000000,0.000000,0.114615,-0.356377,0.927286,0.000000,-0.283636,0.881920,0.376521,0.000000,-1809930.275617,5627675.893196,2386558.638066,1],    "boundingVolume": {    "region": [1.881875,0.385987,1.882048,0.386089,0.000000,10.124380]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/13_34762.b3dm"}}}