{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871407,-0.490561,0.000000,0.000000,0.211728,-0.376102,0.902063,0.000000,-0.441960,0.785076,0.433966,0.000000,-2820662.376502,5010483.057176,2751099.177887,1],    "boundingVolume": {    "region": [2.083473,0.448850,2.083585,0.448930,0.000000,61.783352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_219701.b3dm"}}}