{
  "manageEntity": {
    "action": "Update",
    "entityId": "933290337",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratofdd4ilgjpsav3iei2gxgxjroshyqre3qefipvnfgtgu62oq4uq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":790820536},{\"type\":\"playlist\",\"playlist_id\":1468630324},{\"type\":\"playlist\",\"playlist_id\":1822242624}]}}}",
    "nonce": "0x295009a5a4667cda4ca3460d179e7c54c36b8ecc793ff4d9cfb1c8eb65a058ac",
    "signature": "0x470364807e7b915515a4076537f53c7946ff5fc32968803c67398556fa0386a5728423e7fa2fcd661c45db5a09062c0327a7daf0597cd07cfb233a70a80310b31b",
    "signer": "0xaD6Ea5f8D94c260aCEE3ad53cb05E821c81C0C01",
    "userId": "933290337"
  }
}