{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950225,-0.311565,0.000000,0.000000,0.174121,-0.531042,0.829262,0.000000,-0.257825,0.786327,0.561441,0.000000,-1646181.259894,5020600.425740,3560736.048402,1],    "boundingVolume": {    "region": [1.887567,0.596022,1.887705,0.596231,0.000000,8.604596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431411.b3dm"}}}