{
  "manageEntity": {
    "action": "Update",
    "entityId": "152611",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqb6cennb2v73nzzch6vrs6sc3nssq3k4wnpbb2wzguveib3abh6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1954846403},{\"type\":\"playlist\",\"playlist_id\":482435150},{\"type\":\"playlist\",\"playlist_id\":1602365148},{\"type\":\"playlist\",\"playlist_id\":2115286666}]}}}",
    "nonce": "0x289efe10e6a75d39f8da54b7a54e42ce5d35145e366d72fff72f392ff3ec28b4",
    "signature": "0x2d2a9aa921f7c88162522197dbdc2ce8508dc798590e2d38bff7052be701072159e1cca938b2092492dcc8d1d2be34097f6561c3cac3cb81a38c83aee096facf1c",
    "signer": "0x6e9C5B9b53E6B0262A1F0e7D522171B38207717B",
    "userId": "152611"
  }
}