{
  "manageEntity": {
    "action": "Update",
    "entityId": "427200537",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x21c4bb4ba1f0b3bc7ee2a88a3f84c05481e40048910957e131a8eb53356a698b",
    "signature": "0x3aa3a50f8f3b9b181930cb1535071fb81fbb98841b2a2f0451fe122dfcfc300e2211ac1beb14bda495fa6c2528036f2aafc6276177b29c11023dd116e2c125ec1c",
    "signer": "0x6520e2111184F08Fc08dEFa3870B570cED436333",
    "userId": "427200537"
  }
}