{
  "manageEntity": {
    "action": "Update",
    "entityId": "364824223",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraflrxbxy5hdnx72gwbfjiqfankokszoxmdvbpfnuij3o6l2kovxra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":507951590},{\"type\":\"playlist\",\"playlist_id\":1556804109},{\"type\":\"playlist\",\"playlist_id\":819219602},{\"type\":\"playlist\",\"playlist_id\":1841130548}]}}}",
    "nonce": "0x87900911c38fa3cc9154b6ba3f102ab8003e5a34400774017ec7a25d876da894",
    "signature": "0x360b929c4a1b5593789025bf2d3e175398fd1d7f2cd07727879a3e45438e075b3e93537e16d5f22ebeaf8ea68192cd4ae20c295274b030bcf4a044fac0e1d86b1c",
    "signer": "0x73D0f95f148C665c6fb739d5f2eA7Aa713823CcC",
    "userId": "364824223"
  }
}