{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950539,-0.310604,0.000000,0.000000,0.173526,-0.531039,0.829389,0.000000,-0.257070,0.786708,0.561253,0.000000,-1641356.117892,5023032.134044,3559541.847291,1],    "boundingVolume": {    "region": [1.886567,0.595842,1.886682,0.595957,0.000000,8.203801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1343061.b3dm"}}}