{
  "manageEntity": {
    "action": "Update",
    "entityId": "741017349",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0409029eb3dc4ac865a5d25bc951ff77a0ed9ca80c6ce65c18f17abded5d81b4",
    "signature": "0xb5338a0c14e6f97284c0ec2a62321462d0979f69a44c03c8b26d2ae01f253d48602316d2e4b79ebe5a5e87d0151af2944ae2d44532d5ba57fcb5fa8fc55f51c11c",
    "signer": "0x7791845b665b142C24Fb9Ae33898C02C633391e8",
    "userId": "741017349"
  }
}