{
  "manageEntity": {
    "action": "Update",
    "entityId": "83275454",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x764bf72ac999128a24dcac4fc41c6beae77169255933e606b3826feb7b0f901f",
    "signature": "0x9e0b4119d24cd4bdafae411a026d0b40c6dd7faa4e3a2596e75c6d9218fda3846394ed688203eb892409ec72fe6d22d641e2c3c081e4c7ee76b1bc8e2f19d7741b",
    "signer": "0x314B34d84ac639781f18e99AF88fDbDf46842878",
    "userId": "83275454"
  }
}