{
  "manageEntity": {
    "action": "Update",
    "entityId": "482858095",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x937c5cbed3af32e616719be143fc50d0337cf49c41363b80ac5829c4c94228a6",
    "signature": "0x4b09dbfd22a91a32115f2f5d77c732a0edd956a04ee49d4b8d59e031be06dcdd1ef2dd7705c07643a6ca29bccb1b3ff4763d0c13fd623048e21bc188a0bb92f71b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}