{
  "manageEntity": {
    "action": "Update",
    "entityId": "111473338",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravvpyen3qsrpodsjoom5gmryqvw4lvkoihuleikgm2hswg2kdqajq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1886116650}]}}}",
    "nonce": "0x638af2f434cbbe397a4c9b79cd6a3726f2255961956fed58d70d1ffd385831f1",
    "signature": "0xeefd8a07fd6eb831923d88a3b970123efe28fadcd4b690334545bd467c2795330d16787dbf990a0e8cafa147ab7a54a0eb6ffb08e5f25dcac953bd2a6ba689c11c",
    "signer": "0xcA0Da5383A42F3742f10A6cB84023b2B4E8f5903",
    "userId": "111473338"
  }
}