{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871405,-0.490564,0.000000,0.000000,0.211820,-0.376263,0.901975,0.000000,-0.441919,0.784996,0.434152,0.000000,-2820402.582756,5009976.814411,2752279.276422,1],    "boundingVolume": {    "region": [2.083477,0.449056,2.083589,0.449137,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_225273.b3dm"}}}