{
  "manageEntity": {
    "action": "Update",
    "entityId": "63581371",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralxrujosf3rsdcvsa6qunc44576adt4uqdb64uz4qsvnbqoozltyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1973796209}]}}}",
    "nonce": "0xcf5112cb0d6778c3c6de65559cd24c8cde087589fd6c5dbdbd7ea49a526c8094",
    "signature": "0xfaffa798875f6b423040595293809518081c57f491f903a4c392ecb46eb72add79b1811a9023eeff8a449beb4cdd4c9e42ffcda3c10898a44ba8c3bf504fe18d1c",
    "signer": "0xb68BFE7F0469f0cF3ead82d40A5fDb851FED9Bf6",
    "userId": "63581371"
  }
}