{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871412,-0.490552,0.000000,0.000000,0.211753,-0.376155,0.902036,0.000000,-0.441939,0.785056,0.434024,0.000000,-2820527.425971,5010354.104413,2751469.868249,1],    "boundingVolume": {    "region": [2.083464,0.448915,2.083576,0.448995,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221031.b3dm"}}}