{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5ejeqjz2vew4w7b33qxcoqjnjlz6bpzx6aw7f3gyz6ayx5iqir3q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763},{\"type\":\"playlist\",\"playlist_id\":2087479850}]}}}",
    "nonce": "0xcde910461ef337513cf782706aff5d4a338e46450d2048b2fc911d64b3696e7b",
    "signature": "0x1be75243a2a725281e8707012d9d31ff4b9f73ff51d483ba6e8aad5e3efe3e2e5e9fecd03218cde8eb7df895f26344ff4436b22d992b4611bc83083124a2ac231c",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}