{
  "manageEntity": {
    "action": "Update",
    "entityId": "186630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa2tvt2r4mqmcvjcmwqdvuleaimfveqqnutp3crnwgxjamv6qgbhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":61293},{\"type\":\"playlist\",\"playlist_id\":61570},{\"type\":\"playlist\",\"playlist_id\":61832},{\"type\":\"playlist\",\"playlist_id\":69439},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5bd121501a099e886cd6588cbcc2b58185006bbe7047a524bd05e8e48962e358",
    "signature": "0x8eb315473e097890ec554920915ca92d9b83a26fff4c7e86f6f90d635706fce11cdd5a68789b356bb3f5e443aac7264074381e8fabd9eda7795c2bc514e6c5401c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}