{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871425,-0.490529,0.000000,0.000000,0.211767,-0.376204,0.902012,0.000000,-0.441906,0.785047,0.434074,0.000000,-2820316.799547,5010297.597923,2751786.516857,1],    "boundingVolume": {    "region": [2.083436,0.448970,2.083549,0.449051,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222591.b3dm"}}}