{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949474,-0.313845,0.000000,0.000000,0.175428,-0.530723,0.829191,0.000000,-0.259689,0.785638,0.561547,0.000000,-1658086.083311,5016202.779117,3561405.713644,1],    "boundingVolume": {    "region": [1.889987,0.596213,1.890086,0.596295,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444057.b3dm"}}}