{
  "manageEntity": {
    "action": "Update",
    "entityId": "654054486",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf0d570778e12203ea305dfef703d0a5a772b5d434f610684c529c9efc4cbea7e",
    "signature": "0xe9949cadb6084a8fa91eeaba0935e9820d12681351aba39327a99051def91d436536a8db834492c63e896fe2378b9cc0b7ba75e6c043ab17c534ef721ae319261c",
    "signer": "0x46a5bb33460d8225491E7a9b7439fbDd88b55D46",
    "userId": "654054486"
  }
}