{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871420,-0.490538,0.000000,0.000000,0.211751,-0.376166,0.902031,0.000000,-0.441924,0.785059,0.434033,0.000000,-2820432.066474,5010376.195072,2751527.007187,1],    "boundingVolume": {    "region": [2.083447,0.448925,2.083560,0.449005,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221299.b3dm"}}}