{
  "manageEntity": {
    "action": "Update",
    "entityId": "732019006",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6afb6149109e6043bee6f9da264a551dac29c3bab52f3d465df2b39648bb2521",
    "signature": "0x99731275f1cf2efa5ef3e1bf869221960f66f51b0241c13ac29807a98b7bb4ef244e4ff3cc2e10dfbaf1732f75918fcab036c6fafdb0a5a7d105370f11c109881c",
    "signer": "0x002003A2C193cf1E880301Ca10e5295f20f6A48a",
    "userId": "732019006"
  }
}