{
  "manageEntity": {
    "action": "Update",
    "entityId": "614144090",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafir5kgman3nhono7fljahdt4n6uo22hkonl7i6tqcoys2hjklg4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":291669444},{\"type\":\"playlist\",\"playlist_id\":820691553},{\"type\":\"playlist\",\"playlist_id\":1048969128},{\"type\":\"playlist\",\"playlist_id\":1220707143},{\"type\":\"playlist\",\"playlist_id\":726490520},{\"type\":\"playlist\",\"playlist_id\":566126091},{\"type\":\"playlist\",\"playlist_id\":1390096940},{\"type\":\"playlist\",\"playlist_id\":1179066123},{\"type\":\"playlist\",\"playlist_id\":1145265462},{\"type\":\"playlist\",\"playlist_id\":1204709923}]}}}",
    "nonce": "0xd58b60bfcc3ffb093ed7d67dd92ad60f8872014d97e90b8802e55937a05dcf62",
    "signature": "0x18479b37a8d228b6dfb9a065942b58795203e24668bb68a444c64845054c13863e4b6e4bb726a32efd97eb37dc117e78200d09d8b47cb8743b574c688217808b1c",
    "signer": "0x4B3a5C0dd197dc129A6051251e5Eb5a74fBac37b",
    "userId": "614144090"
  }
}