{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5148a7f2bd8a69dd626a6cd39458dea8e6637188c59036a90ec7348725c5bee5",
    "signature": "0xc80f5b40678c29121ca9281281907cc9ef8747ef8301cef304a654814be8d93a5e42cd99ade211c7d60a0656c6014702ff968e9489fb8236747fe55e4e3eccb41b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}