{
  "manageEntity": {
    "action": "Update",
    "entityId": "597397433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x217ccb49969dc01a14c9375c8fa92b3cf32d31d0d5ca7b88b3a6edb71184e686",
    "signature": "0x44e1bd577231927d84c8d5104775e54e866eaf821d7bcca9a45e40bf1c8a4a556476e17559f2a7da21b159713fb7c416ff454b601561fd4ef644ff6a183778271c",
    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}