{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf52bbf41b8f9ae775d912c88ae2503bb0ce038cdf46343b0a937e102abc0f534",
    "signature": "0xea12d033f4abd09078d655b48bcc66bde08ce6913fa755323302fdc56794ff496dc17a4d4210acfceccad1c0a30311f46022e962fa7dba7700a234d6ba0676e41b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}