{
  "manageEntity": {
    "action": "Update",
    "entityId": "679787834",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc2d8a12b8c2035a98af9c67b6db6e1cbadc29f3a5e1e6306be4589eb73fe9948",
    "signature": "0xb47a6fbca3cbb06eeab8e8dda4cde42a9d9f8e13988210a585eb712a389d6e596d7d9e0f6d9d2efad8768cee1072d83c285bf7f6f7a372b3c599b72faeea76a51c",
    "signer": "0xca8b57A302d2922033E00904F5b482FeC42AA407",
    "userId": "679787834"
  }
}