{
  "manageEntity": {
    "action": "Update",
    "entityId": "81057056",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradm5e6jrags4ilbud4cdqrr2hlef4vx7fz5wvbq4vg22dtikweplq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":338232720}]}}}",
    "nonce": "0x54fff0091c71e5450bfdbd20a4e45191c2b384b362a21ca66f8f6a56e8386366",
    "signature": "0xad3df68abd60ee02a175c215ea7db540e8f9c43410e978237254756466366c944a9c839b47b3ff4aea0c143996ca20cb3047b151a8c31e12ba4ecf1942ed94b41c",
    "signer": "0x224a1c816Fe9d36884f4564008Ea4Ed8D698a3C4",
    "userId": "81057056"
  }
}