{
  "manageEntity": {
    "action": "Update",
    "entityId": "933826362",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4f008d65be98ff55b8dce5d037467aafedd9e798ea22a09769fae38a78c25a0d",
    "signature": "0x5a40485c6a163b65dc390bcf9fd8458c44d4def922a32d86f71d5c275d4dd21f4f746f52bb972bc92b5ab87d5af90b80a901b18cf8235abaf0abb3f690bd75881c",
    "signer": "0x6F76f5b847A85f5c4cC08B1555B878AFC5E730BB",
    "userId": "933826362"
  }
}