{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah2fxxaafh3hwtc5tgqipmmnbawvwgjl4jbsykoemcpqg3dweohua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763}]}}}",
    "nonce": "0xd4d395f9857ff290c02e98d8bf5d317aaf129afec5dbbff6a0da7bbecf51bed5",
    "signature": "0x76d63cce6b8c58572972ef91ae252e5623a933034fb9555f7059ef62a96c199137d39f9f20a11f346a1f4344040199465f8e4370bb00bb921656c209503898171b",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}