{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949888,-0.312591,0.000000,0.000000,0.174458,-0.530137,0.829770,0.000000,-0.258834,0.786534,0.560687,0.000000,-1652617.128838,5021907.612647,3555940.542703,1],    "boundingVolume": {    "region": [1.888633,0.595149,1.888797,0.595281,0.000000,8.808103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356741.b3dm"}}}