{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871390,-0.490591,0.000000,0.000000,0.211790,-0.376183,0.902015,0.000000,-0.441964,0.785018,0.434067,0.000000,-2820683.732304,5010115.816433,2751741.694755,1],    "boundingVolume": {    "region": [2.083508,0.448962,2.083620,0.449043,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222350.b3dm"}}}