{
  "manageEntity": {
    "action": "Update",
    "entityId": "622722130",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazaklmwhjj43jqnuncyarpjetycxfeirdlpds5srkaama2oeduama\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":918184430},{\"type\":\"playlist\",\"playlist_id\":139342656},{\"type\":\"playlist\",\"playlist_id\":304580376}]}}}",
    "nonce": "0x6e5b9570d1d7fbbcbb9624323cd265d207d0efa525f7ab64295b52a64c1c69f9",
    "signature": "0xbdbbfb64817b8970cd2cf2690fbe049011b0c8914c8654c41aebfc38fc53dc570c5895cb213c6524716ca990a23b44ae69dc5dcc3376d4680f0bd76377f3aba81b",
    "signer": "0x9861bBD8DaBC2D1197dB75a1309CcDdD9Dd03354",
    "userId": "622722130"
  }
}