{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871400,-0.490573,0.000000,0.000000,0.211788,-0.376196,0.902010,0.000000,-0.441946,0.785023,0.434077,0.000000,-2820568.522003,5010145.387249,2751805.518280,1],    "boundingVolume": {    "region": [2.083488,0.448973,2.083600,0.449054,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222693.b3dm"}}}