{
  "manageEntity": {
    "action": "Update",
    "entityId": "786922215",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1fbc677fa9abf7dc7bee845cf0fe9e82500f9be38a8ad744109350299045dbb1",
    "signature": "0x9e3e8d4bcc0d2c350a64eec3bd1539c7aaf4452695bb44cb6ece276948bb519a527e57785517d7f1bdb0b33bd4cc3e60ba18d0433ee096c9ae028390442b8bcd1c",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}