{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948928,-0.315494,0.000000,0.000000,0.116434,-0.350203,0.929409,0.000000,-0.292953,0.881131,0.371197,0.000000,-1869359.348176,5622565.561579,2352780.636313,1],    "boundingVolume": {    "region": [1.891720,0.380240,1.891828,0.380355,0.000000,39.146810]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/24_3679.b3dm"}}}