{
  "manageEntity": {
    "action": "Update",
    "entityId": "443347253",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoum3bko5zmkaouov4xqy3rxkmageskvbcy2zexpczkoa2qhlwidq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":480664545},{\"type\":\"playlist\",\"playlist_id\":58505438},{\"type\":\"playlist\",\"playlist_id\":1967722937},{\"type\":\"playlist\",\"playlist_id\":1846018497}]}}}",
    "nonce": "0x21de25795d59823f92adac49bce3de1bccb5386fd2805a60450e48569ddb23b7",
    "signature": "0x0f6f90219ff26bc5c3304e2089417283f180d4f8b28b6cae2ff3bfd8b065b1af7b8df019088fa7efa99864d344eb66cd929d92b70c8ad9be2be5aadb6d80d4df1c",
    "signer": "0x01FF89260B418e36957bB9c98f93114A58a76127",
    "userId": "443347253"
  }
}