{
  "manageEntity": {
    "action": "Update",
    "entityId": "77176962",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8ac63715dce38c0b1e4d98bc1426c44e4e3110f6e7250be7f96bed665e4cd518",
    "signature": "0xe3e22c3602b1170918bc7a64aa63a787afd8d37ddfcc15014e29ba1a9db7c0303616e826f968cf9a3b78bb1d59cd304e738d5115ef34aa7f6eed3e7f11cce15f1c",
    "signer": "0x6c633CD9B83bb095AF6F4fbd3085e5758746A846",
    "userId": "77176962"
  }
}