{
  "manageEntity": {
    "action": "Update",
    "entityId": "859769261",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc6dfcc933332c5e6eae613a3077174539c00774a3ed05c8c5623640a999b4be8",
    "signature": "0xe5e920c5abc6e5587ded3372224ac5323aeffd6e7a18d86f20352eb8dcb11442208276d9625ed280289b5e0bf82b6988f36ae3b38ad2e8e3983c80eb185179d11c",
    "signer": "0x685A062036d83f4814165Ea477297c803808E491",
    "userId": "859769261"
  }
}