{
  "manageEntity": {
    "action": "Update",
    "entityId": "13589021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralodszhvm2hyf3tnq66pey6vjrwfmxk6fotylpl2wrzo3kh24vkca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":323987660},{\"type\":\"playlist\",\"playlist_id\":1014079056},{\"type\":\"playlist\",\"playlist_id\":2145156090},{\"type\":\"playlist\",\"playlist_id\":970195641}]}}}",
    "nonce": "0xdd3811a59d55540d4bb76bd95e7679f9d7dda544263180f073e2323183c814df",
    "signature": "0xc17967f27f4ac0e73b00c9deccd3f64e8035254a3d58354d2c600dac1efeacac5fa0398a736b2fbcd17ec0ad295db513d18bac36728fbb299d207a1e85388e011b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}