{
  "manageEntity": {
    "action": "Update",
    "entityId": "232176437",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6e9149b70fc3f927189c71a67d0e39efa866f18a94bd009486a18ee86d61db21",
    "signature": "0xa62247340b7e717c4475ca8b8d22fd68e4c7a7d7808578b84eb662e2e1fbd42c7889503ec45e0ab8c5993b742212b62554f792568f5f321edd654c5cc0ea4cf91c",
    "signer": "0xe5404b7381e209b65A80d6AF2773cEA4F93E4408",
    "userId": "232176437"
  }
}