{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871392,-0.490587,0.000000,0.000000,0.211755,-0.376124,0.902048,0.000000,-0.441977,0.785049,0.433998,0.000000,-2820767.019886,5010309.905765,2751305.835268,1],    "boundingVolume": {    "region": [2.083504,0.448886,2.083616,0.448967,0.000000,69.793790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_220389.b3dm"}}}