{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950540,-0.310603,0.000000,0.000000,0.173486,-0.530919,0.829474,0.000000,-0.257096,0.786790,0.561127,0.000000,-1641523.039676,5023551.671975,3558737.024210,1],    "boundingVolume": {    "region": [1.886566,0.595689,1.886682,0.595804,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1343788.b3dm"}}}