{
  "manageEntity": {
    "action": "Update",
    "entityId": "46191477",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafeoziy7ca6xrimdexeglyqtpu7ybw7jypwfw5cvafv57vsclghfa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1757895465}]}}}",
    "nonce": "0xa034b023fdf673a1fcc8dd074fa19755dd04f83a360a4e135a134027b5d8580d",
    "signature": "0x027ae90ca23884d50df04d78961df217f1c88742c837cbff6e654ae7283312883b2f9944adf1c53f19f2a729f43474b8157952cb1807eab308f7a6ab53759dc41b",
    "signer": "0x697Bb9365bce0028D36116E87976C10032334c1D",
    "userId": "46191477"
  }
}