{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949678,-0.313227,0.000000,0.000000,0.174708,-0.529698,0.829998,0.000000,-0.259433,0.786578,0.560348,0.000000,-1656440.447083,5022183.268865,3553786.160738,1],    "boundingVolume": {    "region": [1.889305,0.594673,1.889467,0.594938,0.000000,8.813936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376521.b3dm"}}}