{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871410,-0.490555,0.000000,0.000000,0.211802,-0.376239,0.901989,0.000000,-0.441919,0.785013,0.434122,0.000000,-2820399.179162,5010083.459408,2752089.905898,1],    "boundingVolume": {    "region": [2.083467,0.449023,2.083580,0.449104,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224419.b3dm"}}}