{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950369,-0.311124,0.000000,0.000000,0.115101,-0.351590,0.929051,0.000000,-0.288783,0.882126,0.372100,0.000000,-1842753.089960,5628927.717505,2358511.485156,1],    "boundingVolume": {    "region": [1.887109,0.381219,1.887235,0.381322,0.000000,9.169750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/13_66470.b3dm"}}}