{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871398,-0.490576,0.000000,0.000000,0.211790,-0.376197,0.902009,0.000000,-0.441948,0.785020,0.434080,0.000000,-2820583.172582,5010128.409909,2751821.305304,1],    "boundingVolume": {    "region": [2.083491,0.448976,2.083604,0.449057,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222778.b3dm"}}}