{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949916,-0.312506,0.000000,0.000000,0.174310,-0.529844,0.829989,0.000000,-0.258833,0.786766,0.560361,0.000000,-1652607.905502,5023385.372809,3553870.884757,1],    "boundingVolume": {    "region": [1.888544,0.594756,1.888708,0.594887,0.000000,13.398955]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1376293.b3dm"}}}